My Candle Jar Holds 200 ml but Has a 7 cm Internal Diameter — Which Measurement Should I Use When Choosing the Wick?

My Candle Jar Holds 200 ml but Has a 7 cm Internal Diameter — Which Measurement Should I Use When Choosing the Wick?

 

Eco C1 ₹5.90 / C2 ₹9.44 per wick Cotton Braided ₹12.00 per wick Three-rung bracket ₹273.40
Wicks for a measured jar · bracket, then buy
Choose three wicks from the inside diameter you measured, and let one burn test decide.
★★★★☆
"Quality of the wick is good for jar candles, team can work on the pricing and delivery timelines."
Monika DeepVerified buyer · Oct 2025
Eco Candle Wicks
★★★★★
"Quality wick, works very well"
AshwiniSep 2025
Eco Candle Wicks
★★★★★
"The jars were of good quality"
Soumili GopeVerified buyer · Mar 2026
Clear Glass Jar with Golden Lid (150 gram)
★★★★★
"Very good"
Tina Lynette Lazaro MogantiVerified buyer · Dec 2025
Black Matte Glass Jar
★★★★★
"One of the best wax for container Candles. Easy to work with, especially if you are a beginner."
ThenirvaofficialVerified buyer · Nov 2025
Luxury Soy Wax CSI 464 (Flakes Form) For Container Candles
★★★★★
"This bamboo wick holder doesn’t exert any pressure on the wicks… and it is a very useful product 👌🏻👌🏻.."
Lalitha JaganAug 2024
Bamboo Wick Holder
★★★★☆
"Quality of the wick is good for jar candles, team can work on the pricing and delivery timelines."
Monika DeepVerified buyer · Oct 2025
Eco Candle Wicks
★★★★★
"Quality wick, works very well"
AshwiniSep 2025
Eco Candle Wicks
★★★★★
"The jars were of good quality"
Soumili GopeVerified buyer · Mar 2026
Clear Glass Jar with Golden Lid (150 gram)
★★★★★
"Very good"
Tina Lynette Lazaro MogantiVerified buyer · Dec 2025
Black Matte Glass Jar
★★★★★
"One of the best wax for container Candles. Easy to work with, especially if you are a beginner."
ThenirvaofficialVerified buyer · Nov 2025
Luxury Soy Wax CSI 464 (Flakes Form) For Container Candles
★★★★★
"This bamboo wick holder doesn’t exert any pressure on the wicks… and it is a very useful product 👌🏻👌🏻.."
Lalitha JaganAug 2024
Bamboo Wick Holder
Reviews collected and published through Judge.me on candlemakingsuppliesindia.store. They are general reviews of the products named on each card, not assessments of the advice set out below. Wording is unedited.
Shop Eco C1/C2 wicks — from ₹59.00 Send us your jar measurements on WhatsApp
✓ Prices verified 26 September 2026, out-of-stock items flagged ✓ MSDS and IFRA documentation on request on WhatsApp ✓ Raw materials only — CSI does not sell finished candles
CSI Jar & Container Guides · Diameter × Wick
Your jar has two numbers on it. The 200 ml tells you how much candle to make; the inside diameter where the pool sits tells you how wide the wick must melt. Here is why only one of them belongs in a wick decision, how to measure it, and how to turn it into three wicks worth testing.
38.48 cm²
the melt pool a 7 cm-inside jar asks its wick to cover (π × 3.5²) · CSI live pricing, September 2026
Quick answers — read this first
Which measurement chooses the wick: 200 ml or 7 cm? The 7 cm internal diameter, measured at the height where the melt pool will sit. The wick's job is to melt a disc of wax from glass to glass. The disc's size is set by the inside diameter; the 200 ml tells you how much candle you are making.

Why doesn't the ml figure help? Millilitres are area × depth. Three straight jars can all hold 200 ml with pools of 28.27, 38.48 and 50.27 cm². Depth decides how many hours the candle lasts, not how wide the pool must be.

So what wick for a 7 cm-inside jar? Nobody can honestly tell you one size from the diameter alone: your wax, oil, load and fill change the answer. Bracket three: for example C1, C2 and Cotton Braided as rungs to test. Burn each for 3 to 4 hours and keep the one whose pool reaches the glass about 0.5 to 1 cm deep with a steady flame.

How do I measure the inside diameter? Callipers across the inside at pool height; or a steel ruler across the inside against a card; or the outside minus two wall thicknesses. Check it with water: 50 g of water in a straight 7 cm-inside jar rises about 1.3 cm.
The short answer
The rule: choose the wick against the inside diameter at the height of the melt pool. Use the ml figure for fill weight, wax orders and labels, never for wick size.
The number: 7 cm inside is a pool of π × 3.5² = 38.48 cm². A 7.5 cm inside is 14.8% more pool; 8 cm is 30.6% more. Capacity can stay at 200 ml while the pool changes by a third.
The listing gap: no CSI jar listing states an internal diameter. "Width 7 cm" or "outer diameter 7 cm" is a starting point for your callipers, not a wick input.
The test: three wicks, three jars each, 3 to 4 hours on the first burn, then a full burn-down of the winner. C1 + C2 + Cotton Braided, ten of each, costs ₹273.40.
Shop: Eco C1/C2 wicks · Cotton Braided Wicks · White Matte 200 ml jar · Wick Centering Device · Weighing Scale · all candle wicks
In this guide
One jar, two numbers, two different jobs The volume plans the candle. The inside diameter at pool height plans the wick. Only a burn test picks the wick. Your jar 200 ml to the brim · 7 cm inside, measured 200 ml = volume = area × depth says how much candle, not how wide the pool 7 cm inside, at pool height says how wide a pool the wick must melt Fill weight water to your fill line × 0.86 to 0.9 (rule of thumb) Wax and oil order grams per candle × candle count Rough burn hours depth of wax, once the wick is settled Net weight on the label from weighed candles, not from ml Pool area = π × 3.5² = 38.48 cm² the disc of wax each burn must melt Bracket three wicks around it e.g. C1 / C2 / Cotton Braided: rungs, not answers First burn, 3 to 4 hours about 1 hour per 2.5 cm of width: rule of thumb Read the pool to the glass, 0.5 to 1 cm deep, steady flame Full burn-down, then approve watch the final third and the glass None of these chooses a wick. Three straight jars that all hold 200 ml: the pools the wick must melt, to scale Worked example, 1 cm = 20 px. Same volume, different inside diameters, so different pool areas and depths. 6 cm inside 28.27 cm² 200 ml stands 7.07 cm deep 7 cm inside 38.48 cm² 200 ml stands 5.20 cm deep 8 cm inside 50.27 cm² 200 ml stands 3.98 cm deep 26.5% less pool than 7 cm 30.6% more pool than 7 cm
The 200 ml figure and the 7 cm inside diameter describe the same jar but answer different questions. Volume sets the fill weight, the wax order and the label; the inside diameter at pool height sets the pool area the wick must melt. The three discs are drawn to scale: straight jars holding the same 200 ml have pools from 28.27 to 50.27 cm². Geometry is a worked example; your wax, oil and burn test decide the wick.
Bracket rungs 1 and 2 · from ₹59.00 for 10
Eco C1 and C2 wicks: the lower rungs of a 7 cm bracket
Bracket rung 3 · ₹120.00 for 10
Cotton Braided Wicks: the top rung that proves where the ceiling is
WhatsApp +91 7397976926
Send us your measured inside diameter and fill weight
Straight answer
My candle jar holds 200 ml but has a 7 cm internal diameter. Which measurement should I use when choosing the wick?
Use the 7 cm internal diameter, and make sure it is measured at the height where the melt pool will sit, not at the rim or the outside of the glass. A wick is chosen to melt a disc of wax edge to edge in a reasonable time. That disc's area is π × r², so 7 cm inside means a pool of about 38.48 cm². The 200 ml is area multiplied by depth: it tells you the fill weight, how much wax and oil to order, roughly how long the candle will last and what to print on the label, but it cannot tell a wick how wide to melt. Three straight jars can each hold 200 ml with pools of 28.27, 38.48 and 50.27 cm². So measure the inside diameter yourself (no CSI listing states one), bracket three wicks around it, for example C1, C2 and Cotton Braided, and let a 3-to-4-hour first burn and a full burn-down pick the winner. The diameter chooses the bracket; the burn test chooses the wick.
One line: ml plans the candle, the inside diameter at pool height plans the wick bracket, and only a burn test names the wick.
Bracket a 7 cm jar for ₹273.40. Ten each of Eco C1 and C2 (₹153.40) and Cotton Braided (₹120.00), all in stock on 26 September 2026. Three rungs, three jars per rung, seven spares of each for the retest.
Buy the C1/C2 rungs — from ₹59.00

The wick melts a circle, not a volume

A flame heats outward from the centre. What it has to reach is the glass, not the bottom of the jar.

Think about what a wick does in one burn. The flame melts the wax around it, the liquid pool widens, and within a few hours it should reach the wall all the way round. The flame never has to "reach" the bottom of the jar in one sitting; it works down session by session, a few millimetres of pool at a time. So the size of the job, per burn, is the area of the circle the pool must cover. That area is set by the inside diameter at the level where the pool is: π × r².

Capacity in ml is that area multiplied by the height of wax. Double the height and you double the ml without changing the circle at all. That is why ml is the wrong input for a wick. It describes how much candle there is to burn, and says nothing about how wide each burn must melt.

Same 200 ml, three straight jars · worked example, internal dimensions
Capacity identical; pool area changes by more than half from the narrowest to the widest
Inside diameter Pool area (π × r²) vs 7 cm Depth that holds 200 ml What changes for the wick
6.0 cm 28.27 cm² 26.5% less 7.07 cm Smaller circle to melt; the rung that suits 7 cm may run hot and deep here
7.0 cm 38.48 cm² — 5.20 cm Your jar: bracket around this
8.0 cm 50.27 cm² 30.6% more 3.98 cm A third more wax to melt per burn; the 7 cm winner may tunnel

If your jar really holds 200 ml to the brim and really measures 7 cm inside, it is about 5.20 cm deep inside, a fairly short, wide jar. Fill it to 1 cm below the rim and it takes about 161.6 g of water, which by the 0.86 to 0.9 rule of thumb is a candle of roughly 139 to 145 g. That fill weight matters for your wax order and label. It does not move the wick decision by a millimetre. Why two jars of equal capacity diverge is worked through in the same-capacity, different-diameter post; why equal wax in a tall and a short jar needs different wicks is the tall-versus-wide explainer.

What height does change

Height is not irrelevant; it just answers different questions. A taller column of wax burns for more sessions. The flame also sits deeper inside the glass as the candle burns down, where there is less air movement and the glass has been warming for hours, so the last third can burn hotter and with a different flame than the first. That is a reason to run the full burn-down on your chosen wick, not a reason to choose the wick by height. It is also why a thick glass base, which makes the jar look taller than its wax column, deserves its own check in the thick-base post.

Mistake: asking "what wick for a 200 ml jar?" and buying whatever answer comes back. What happens: the answer was given for somebody else's 200 ml jar, which may be 6 cm or 8 cm inside. In an 8 cm jar the pool is 30.6% larger than in a 7 cm one and a "200 ml wick" can leave a ring of solid wax on the glass. Fix: ask with the inside diameter, the wax and the load, and treat any answer as the middle of a bracket.

Which diameter: the one at pool height

A jar has many diameters. The wick only cares about the one the pool is sitting in.

For a perfectly straight-sided jar, the inside diameter is the same from the fill line to the floor, and any measurement below the rim will do. Many jars are not like that. Lug-cap and salsa-style jars commonly have a narrowed neck and a shoulder; apothecary shapes curve; some tumblers taper; heavy jars have a thick base that lifts the floor. In each case, the diameter that matters is the inside diameter at the level of the wax surface, because that is where the pool forms.

For the first burns, that is the fill line, or 0.5 to 1 cm below it (where the pool sits once it has settled). If the jar keeps the same diameter all the way down, you are done. If it narrows, widens or curves, you need the diameter at two or three heights and a decision about which one governs. That decision, and the checkpoints to watch as the pool descends, has its own guides: the jar that narrows toward the bottom for the choice, and the jar that is wider at the top for how the pool behaves as it burns down.

Where to measure, by jar shape · our judgement
Measure at pool height first; add heights when the shape changes
Jar shape Measure the inside at Governs the bracket Also check
Straight-sided tumbler 1 cm below the fill line That one reading A second reading near the floor, to confirm it really is straight
Shoulder or narrow neck (lug-cap, salsa) The body just below the shoulder, where the wax surface sits The body, not the mouth That the fill line sits below the shoulder; a pool trapped in the neck behaves differently
Narrows toward the base Top, middle and near the floor Usually the widest the pool must reach in early burns Late burns in the narrow part: flame and glass heat
Wider in the middle (curved) Fill line and widest point Test both; the belly is where tunnelling starts Whether the pool reaches the belly's wall
Thick glass base As its sidewall shape dictates Sidewall diameter Your real wax depth: listed height minus the base
The rim is not the pool
The rim diameter is what a lid supplier needs. It can be smaller than the body (a neck) or the same as the outside of the glass. Measure the rim for lids, the inside at pool height for wicks, and do not let one number do both jobs.

Four ways to measure the inside diameter

Ten minutes with a ruler now saves a week of burn tests on the wrong rung.

You do not need a lab. You need one of three measuring methods and a water check to confirm it. Measure three jars from the same batch, because mass-produced glass varies, and write down the smallest and largest readings as well as the average.

1
Mark pool height on the outsideDecide your fill line (commonly 1 to 1.5 cm below the rim, set by your lid), then put a strip of tape 1 cm below it. That tape is where you will measure, and where the pool will sit in the first burns.
2
Callipers, inside jawsIf you own vernier or digital callipers (CSI does not sell them), open the inside jaws across the jar at the tape line, turning slowly until the reading is largest: that is the diameter, not a chord. Repeat at 90 degrees; glass is not always perfectly round.
3
Or a steel ruler and a cardHold a steel ruler across the inside at the tape line, with its zero against one wall, and slide a thin card down the opposite wall to meet the scale. Read to the nearest millimetre. Coarser than callipers, but good enough to choose a bracket.
4
Or outside minus two wallsMeasure the outside diameter at the tape line, then the wall thickness at the rim with callipers, and subtract twice the wall. Caution: walls are often thicker lower down than at the rim, so this method can overstate the inside. Use it as a cross-check, not your only reading.
5
Confirm with the water-rise checkFor a straight section: put the jar on a scale, add water to just above the floor's curve, note the level, add exactly 50 g more and measure how far the level rose. Area = 50 ÷ rise (1 g of water is about 1 cm³), and inside diameter = 2 × √(area ÷ π). A 7 cm inside rises about 1.3 cm.
6
Write the spec lineJar name, batch or order date, inside diameter at pool height (min, max), fill line in cm below the rim, fill weight in g. That line is what you bracket against, what you quote when you ask for advice, and what you compare the next batch to.
Water-rise check · 50 g of water in a straight section · worked example
How far the level should rise for each inside diameter
Inside diameter Area Rise for 50 g of water Reads as
6.0 cm 28.27 cm² 1.77 cm A narrow tumbler
6.5 cm 33.18 cm² 1.51 cm What a jar listed "7 cm" might measure inside if that is the outside
7.0 cm 38.48 cm² 1.30 cm Your jar, if the 7 cm is right
7.5 cm 44.18 cm² 1.13 cm 14.8% more pool than 7 cm
8.0 cm 50.27 cm² 0.99 cm 30.6% more pool than 7 cm

The rise differences are small (a few millimetres between rows), so measure the rise with a ruler held against the outside of a clear jar, or with a marked skewer inside an opaque one. If the water check and the ruler disagree by more than a couple of millimetres of diameter, the jar is probably not straight in that band. Go back to step 1 and measure at two more heights. For opaque or coloured glass, the water-rise check is often the more reliable of the two, because you cannot see the inside wall to line up a ruler.

Mistake: measuring across the rim with a tape measure. Why it fails: the rim includes both walls, may be a thickened lip, and on a necked jar is narrower than the body. You get a number that is neither the outside nor the inside at pool height. Fix: measure inside, at the tape line, and confirm with water.

What CSI jar listings state, and what they don't

We would rather tell you what our own pages leave out than have you wick a jar to a number we never measured.

Of CSI's 72 container listings, 21 state some diameter and 20 give only a "width". None states an internal diameter. Here are the ones you are most likely to wick, quoted as written, verified 26 September 2026.

CSI listings with a diameter or width · quoted from the product pages
Every figure below is outside, "outer rim", base or unspecified: none is the inside at pool height
Listing Size wording Dimension wording What is ambiguous for a wick
White Matte Glass Jar and in-stock matte, glossy and frosted sisters "a fill weight of 200 ml" "Height 8 cm width 7 cm" "Width" may be the outside; no wall figure
Clear Glass Jar with Golden Lid (150 gram) "150g fill capacity" "outer diameter 7cm", "base diameter approximately 6.5cm" Outside figures only; the page calls the shape both "curved" and "straight-sided"
Apothecary Glass Candle Jar with Dome Lid (500 gm / 700 gm) "~500 g - 700 g (2 sizes)" "Diameter (outer rim): Approx. 10 cm" One set of dimensions for two sizes; described as "thick-walled"
Black Shiny Glass Jar with Golden Lid and sisters "Capacity: 120 gm" "6 cm diameter, 6.5 cm height" Diameter not stated as outside or inside
Shot Glass Jar 130gram "Fill Capacity - 130gram" "Diameter - 6cm" As above; title says pack of 6, handle says 5
Green Iridescent jar with bamboo lid - 300g "Capacity - 300g" "Diameter - 7cm" As above; the same "7 cm" as the Matte family on a taller, larger jar

Look at the last row. The Matte family and the Green Iridescent jar both carry "7 cm" and hold 200 ml and 300 g respectively. If both really are about the same width, they are candidates for the same wick bracket despite the capacity difference, because height, not width, makes the second jar bigger. That is only a hypothesis until you measure both insides; if it holds, it is the logic behind standardising wicks through diameter.

Now the arithmetic that should make you measure. Suppose the Matte jar's 7 cm is the outside and its walls are about 3.5 mm (our assumption; CSI publishes no wall thickness). The inside is then about 6.3 cm and the pool 31.17 cm², 19% less than a true 7 cm-inside jar at 38.48 cm². A wick bracketed for "7 cm" from the listing is bracketed for a pool nearly a quarter larger than the one you poured. Outside versus inside is taken apart properly in the external-diameter post; how much a few millimetres can move a pool is in the 5 mm post.

Argued against our own interest: we could print "suits C2 wick" on every jar page and save you a week. We do not, because we have not burn-tested our jars with your wax, oil and load, and a jar listing that names a wick invites you to skip the test. Among our glass jar pages, the only wick suggestion is on the coloured 200ml Salsa jars ("Pairs well with C2 Eco Wicks"); two tin listings suggest "small cotton wicks" or "C1 or C2 wooden wicks" (C1 and C2 are sold as cotton-and-paper Eco wicks, so ask us before relying on that line). Treat any of these as the middle rung of a bracket, not a result.

From diameter to a bracket, not a wick size

A bracket is three guesses you are allowed to be wrong about, placed so that one of them has to be right.

Wick makers commonly publish sizing guides by diameter because diameter is a strong single predictor. It still is not enough to pick one wick, because the same diameter behaves differently with different waxes (soy blends melt differently from paraffin), different oils and loads (heavier or higher loads can make the same wick behave smaller or larger; see the fragrance-load post), different fill depths and even different jar colours. Even CSI's own oil pages say so: the Verbena page tells you to "test wick size based on container diameter". The honest method is to use the diameter to place a bracket, then let the burn choose.

The rungs CSI actually sells

Wick families on CSI, 26 September 2026 · page wording quoted, rung order is our judgement
Use these as rungs to test, never as a size chart
Wick What the page states Per wick Where it sits in a bracket
Eco Candle Wicks, Thin (C1) natural fibres, "pair perfectly with soy wax"; no diameter stated ₹5.90 Lower rung for small and medium jars
Eco Candle Wicks, Thick (C2) as C1; no diameter stated ₹9.44 Middle rung for a 7 cm-class jar in many soy set-ups
Cotton Braided Wicks Ready Made "engineered for large-diameter candles exceeding 8 cm" ₹12.00 Top rung for 7 cm; middle rung for wider jars
Performance Wooden Wicks "made from thin strips of wood"; no width options listed ₹59.00 (pack of 10) A different family: test as its own rung, not a step between cotton sizes

For a 7 cm-inside jar in a container soy such as Luxury Soy Wax CSI 464, a sensible first bracket is C1 / C2 / Cotton Braided: the thin rung that will probably under-melt, the middle that might be right, and the heavy rung that will probably over-melt. That spacing is the point. If the thin rung wins, you have learned your oil and load burn hot; if the heavy one wins, they burn cool; if the middle wins, you have evidence on both sides. How to choose three rungs for a straight 3-inch (about 7.6 cm) jar in more depth is the first-three-wicks post; when a wide jar should jump to two wicks is the 4-inch luxury jar post.

How to read the first burn

Light all rungs at once, side by side, in still air, after the cure your oil page states (the Sandalwood Fragrance Oil page, for example, says "Up to 10% for soy wax, with a cure time of 48-72 hours"). Log the pool every hour. The rules of thumb below are commonly used by candle makers; they are starting points, and yours will shift with wax and oil.

Reading the first burn · rules of thumb, labelled
What you see at hour 3 to 4 in a 7 cm-inside jar, and what to do
At hour 3 to 4 Likely meaning Next move
Solid ring of wax on the glass; pool less than about 0.5 cm deep Under-wicked for this diameter, wax and oil Drop this rung; test the next rung up
Pool reaches the glass all round; about 0.5 to 1 cm deep; flame steady In range Shortlist; take it through a full burn-down
Pool at the glass before hour 2; deeper than about 1.5 cm; tall or flickering flame, soot Over-wicked Drop this rung; the one below is your ceiling
Pool lopsided: reaches one side early, lags on the other Wick off-centre or a draught, not a size result Re-pour with a centred wick before judging

A very rough rule some makers use is about one hour of burn per 2.5 cm of jar width for a full pool; for 7 cm that is about 2.8 hours, which sits inside the common 3-to-4-hour window. Do not stop at the first burn. The shortlisted wick must then burn down the whole jar, in sessions of 3 to 4 hours, with the glass checked in the final third and the burn stopped with roughly 1 cm of wax left (common practice). A wick that is perfect at the top can run hot at the bottom, which is where the thick-base post and the glass-safety cluster take over.

Change one thing at a time
Fix the wax, oil, load, fill weight and cure time before you bracket, and change only the wick. If you later change the oil or the load, the winning wick may move a rung; the different-oils-same-jar post explains why.

What to buy for a 7 cm bracket

Five items, chosen on what their pages state, price and stock on 26 September 2026. We have no burn data for any of them in your jar, which is the whole reason for the bracket.

1
wick · the two lower rungs
Eco Candle Wicks — Thin (C1) and Thick (C2)
Two sizes that sit at the lower end of a small-to-medium jar bracket. The page describes them as made "from natural fibers like cotton and paper" and says they "pair perfectly with soy wax"; it states no jar diameter for either size, and that is correct: no page can. Both are priced flat per wick at every pack size (₹5.90 and ₹9.44), so a pack of 10 costs you nothing extra per wick over a pack of 1,000. For a 7 cm-inside jar they are two rungs of a bracket, not an answer. Honest limitation: two sizes is a narrow ladder. If C2 still leaves wax on the glass after four hours, the next rung is a different wick family, which is why pick 2 exists.
Pack Price Per wick What it covers
Thin (C1) / 10 Wicks ₹59.00 ₹5.90 three bracket jars with spares
Thin (C1) / 20 Wicks ₹118.00 ₹5.90 two jar designs, bracketed
Thin (C1) / 50 Wicks ₹295.00 ₹5.90 a 50-candle run once this rung wins
Thin (C1) / 100 Wicks ₹590.00 ₹5.90 a 100-candle run
Thin (C1) / 500 Wicks ₹2,950.00 ₹5.90 a season of one approved jar
Thin (C1) / 1000 Wicks ₹5,900.00 ₹5.90 bulk: ask about dispatch first
Thick (C2) / 10 Wicks ₹94.40 ₹9.44 three bracket jars with spares
Thick (C2) / 20 Wicks ₹188.80 ₹9.44 two jar designs, bracketed
Thick (C2) / 50 Wicks ₹472.00 ₹9.44 a 50-candle run once this rung wins
Thick (C2) / 100 Wicks ₹944.00 ₹9.44 a 100-candle run
Thick (C2) / 500 Wicks ₹4,720.00 ₹9.44 a season of one approved jar
Thick (C2) / 1000 Wicks ₹9,440.00 ₹9.44 bulk: ask about dispatch first
C1 + C2, ten of each: ₹153.40. Every size in stock on 26 September 2026. Buy C1/C2 — from ₹59.00
2
wick · the top rung for a 7 cm jar
Cotton Braided Wicks Ready Made
The page says these are "engineered for large-diameter candles exceeding 8 cm". That is the page's positioning, not a measured limit, and a 7 cm-inside jar with a heavy oil or a dense soy blend may still need it. That is exactly why it belongs at the top of a 7 cm bracket: if it overshoots (pool to the glass in under two hours, tall flame, soot), you have proved C2 is the ceiling. It is tabbed and cut to 10.16 cm per the page, so trim it to your jar before pouring. Flat ₹12.00 per wick at every pack. Limitation: one size only, so it is a rung, not a ladder.
Pack Price Per wick What it covers
Pack of 10 ₹120.00 ₹12.00 the top rung of a 7 cm bracket
Pack of 50 ₹600.00 ₹12.00 a 50-candle run if it wins
Pack of 100 ₹1,200.00 ₹12.00 a 100-candle run
Pack of 500 ₹6,000.00 ₹12.00 a season of one design
Pack of 1000 ₹12,000.00 ₹12.00 bulk production
Ten wicks ₹120.00: three for the bracket, seven for the retest. Buy 10 — ₹120.00
3
jar · the listing that shows why you measure
White Matte Glass Jar (8 × 7 cm, 200 ml family)
The page states "a fill weight of 200 ml" and "Height 8 cm width 7 cm". It does not say whether 7 cm is inside or outside. In our worked example, a 7 cm outside with walls of about 3.5 mm gives about 6.3 cm inside, 31.17 cm² of pool against 38.48 cm² for a true 7 cm: 19% less wax to melt. That gap is a whole wick rung in some waxes. Same wording and price on the in-stock matte, glossy and frosted sisters; Pink Matte, Frosted Brown and Orange Frosted are out of stock on 26 September 2026. Heat wording is "withstand high heat", with no figure. Limitation: no pack discount; the 10-pack is exactly two 5-packs.
Pack Price Per jar What it covers
Pack of 5 ₹354.00 ₹70.80 one water-rise check plus a two-rung bracket, two jars each
Pack of 10 ₹708.00 ₹70.80 a full three-rung bracket, three jars each, plus one to measure
₹70.80 per jar at either pack; measure one before you wick nine. Buy a pack of 10 — ₹708.00
4
tool · keeps the pool readable
Wick Centering Device (Pack of 5)
A wick 3 mm off-centre in a 7 cm jar makes one side of the pool reach the glass early and the other side lag. You then read the lagging side as "under-wicked" and move up a rung you did not need. The page describes wooden holders 11.4 cm long with a 4 mm hole, for openings "less than 4"". Five holders cover one rung of a bracket per pour. Argued against our own interest: two ice-cream sticks and a peg do the same job; buy this only if you pour often enough for tidiness to matter.
Pack Price Per holder What it covers
Pack of 5 ₹118.00 ₹23.60 one rung of three jars, reused for every pour
Reusable: one pack serves every bracket you ever pour. Buy 5 — ₹118.00
5
tool · for the water-rise diameter check
Candle Making Weighing Scale
The water-rise method in this guide turns grams of water into an inside diameter: 50 g of water into a straight 7 cm-inside jar rises about 1.3 cm. It needs a scale that reads single grams. The page describes "grams or ounces" and "one-button operation" and states no maximum or reading step, so check the unit or ask us before relying on it. Argued against our own interest: any kitchen scale that reads 1 g and tares will do. You also need callipers or a steel ruler, which CSI does not sell.
Unit Price Per unit What it covers
Single ₹354.00 ₹354.00 water-rise checks, fill weights and every wax and oil weighing
One scale runs the diameter check and the fill-weight check. Buy the scale — ₹354.00
When the right purchase is nothing: if you already have two or three wick sizes, a ruler and spare jars, you need nothing from us to answer this question today. Measure the inside at pool height, pour three rungs and burn them. Come back when you know which rung won and want wicks by the hundred.

A costed bracket, and what skipping it risks

Nine test candles cost a fraction of one wrong batch of a hundred.

Worked example: three rungs × three jars = nine candles, 150 g each at 8% (12 g oil + 138 g wax; 150 g is the series planning figure for the 200 ml Matte family, so weigh your own jar's fill). Prices are CSI live pricing on 26 September 2026; costs exclude labour, freight, packaging and GST.

Nine-candle wick bracket · CSI live pricing, 26 September 2026
Everything for C1 / C2 / Cotton Braided × 3 jars: ₹2,462.70
Item Needed Buy Price
White Matte Glass Jar (or your own jar) 9 poured + 1 to measure Pack of 10 ₹708.00
Luxury Soy Wax CSI 464 1,242 g (9 × 138 g) 1 kg + 500 g ₹767.40
Sandalwood Fragrance Oil (costing example; use your production oil) 108 g (9 × 12 g) 100 g + 15 g ₹595.90
Eco C1 + Eco C2 + Cotton Braided 3 of each 10 of each ₹273.40
Wick Centering Device 3 per pour, reused Pack of 5 ₹118.00
Total 9 candles 258 g wax, 7 g oil and 21 wicks spare ₹2,462.70

With your own jars the kit is ₹1,754.70; with your own jars, oil and centering sticks it is ₹1,040.80. Sandalwood is only a costing example: its page states "Recommended load up to 10% for soy, up to 6% for paraffin", every size in stock on 26 September 2026. CSI 464's page states up to 10%, so 8% sits inside both ceilings; test at your own production load, not ours. Seven Sandalwood grams spare is not enough for a retest, so buy a second 15 g (₹93.22) if a rung needs re-pouring.

What the wrong wick costs at 100 candles

One finished candle in this worked example is a Matte jar ₹70.80 + 138 g of CSI 464 at the 10 kg price ₹70.02 + 12 g of Sandalwood at the 1 kg price ₹60.32 + a C2 wick ₹9.44 = ₹210.58 in materials. A hundred of them is ₹21,058.28, 8.6 times the bracket kit. If they tunnel because the wick was picked for "200 ml", you cannot re-wick a poured candle; you melt out, clean the jars and start again, or sell a candle that leaves a wall of unburnt wax.

Now the other direction. Suppose the bracket says Cotton Braided rather than C1. That wick costs ₹6.10 more per candle, ₹610.00 over 100 candles. A C2 instead of a C1 is ₹3.54 more per candle. The wick is the cheapest line on the bill; buying the right one is never the expensive part. Choosing by the wrong measurement is.

Argued against our own interest: do not buy wicks by the hundred until the bracket has spoken. The C1 and C2 are the same price per wick in a pack of 10 as in a pack of 1,000, and Cotton Braided is ₹12.00 per wick at every pack size, so buying small first costs you nothing per wick. Performance Wooden Wicks do drop per wick in bigger packs (₹59.00, ₹47.20, ₹41.30); note the 50-pack is labelled "Save 25%" but works out at 20%. Only buy those in bulk after one has won.
Diwali, 8 November 2026, is 43 days after 26 September 2026. A bracket needs delivery, a 48-to-72-hour cure (as the Sandalwood page states), a 3-to-4-hour first burn and a full burn-down. Pour your bracket by 5 October to have a winner before you order production. Send us your inside diameter and candle count and we will quote wicks, wax and oil with a GST invoice and a dispatch date from Pune.
WhatsApp a Diwali quote
The CSI principle
Capacity plans the candle. The inside diameter plans the bracket. The burn test names the wick.
Measure the inside at pool height yourself, bracket three rungs around it, and approve nothing until one has burned the whole jar down.
"Nobody can tell you the wick for a 200 ml jar. Somebody can tell you which three to test in a 7 cm one."
— CandleMakingSuppliesIndia
Why trust this guide

CandleMakingSuppliesIndia sells the wicks, jars, wax and tools named here and does not sell finished candles. This page tells you that none of our 72 container listings states an internal diameter, that our 200 ml Matte jar's "width 7 cm" may be the outside, and that you should buy wicks ten at a time until a burn test has chosen one. That is deliberate: a maker who brackets first reorders the right wick.

Every price and per-wick figure was verified on CSI's live store on 26 September 2026; every pack in a pick table was in stock that day, and out-of-stock jar colours are named as such. Wick and jar wording is quoted from the product pages; where a page is silent, we say so.

Pool areas are plain geometry (π × r²) on stated inside diameters. The 3-to-4-hour first burn, 0.5-to-1 cm pool depth, one hour per 2.5 cm of width, 1 cm stop line and 0.86-to-0.9 wax factor are candle-maker rules of thumb. The 0.35 cm wall, the rung order and the bracket plan are editorial judgement. For bulk pricing, GST invoicing, and MSDS and IFRA documentation on request, message us on WhatsApp at +91 7397976926.

Frequently asked questions

Should I choose candle wick size by jar volume or jar diameter?
By the inside diameter at the height where the melt pool sits. Volume (ml) is area times depth, so two jars with the same ml can have very different pool areas. Use ml for fill weight and wax orders, and the inside diameter to choose which three wicks to test.
How do I measure the internal diameter of a candle jar?
Mark a line 1 cm below your fill line, then measure across the inside there with callipers or a steel ruler and a card. Cross-check by adding 50 g of water in a straight section and measuring the rise: area = 50 ÷ rise, diameter = 2 × √(area ÷ π). A 7 cm inside rises about 1.3 cm.
What size wick for a 7 cm diameter candle jar?
There is no single honest answer from the diameter alone; wax, oil, load and fill change it. Bracket three rungs, for example Eco C1, Eco C2 and Cotton Braided, burn them side by side for 3 to 4 hours, and take the one whose pool reaches the glass about 0.5 to 1 cm deep with a steady flame through a full burn-down.
Does jar height affect wick size?
Not for pool width. Height changes how long the candle lasts and how the flame behaves deep in the jar, so the chosen wick must pass a full burn-down, with the final third watched closely. Choose the bracket by inside diameter and confirm it down the whole height.
Is the diameter on a jar listing the internal diameter?
Usually not, and on CSI's store never: no CSI container listing states an internal diameter. Figures are "width", "outer diameter", "outer rim", base or unspecified. If a 7 cm outside has 3.5 mm walls, the inside is about 6.3 cm and the pool 19% smaller than a true 7 cm. Measure it.
How long should the first wick test burn be?
A common rule of thumb is 3 to 4 hours for the first burn, or about one hour per 2.5 cm of jar width (about 2.8 hours for 7 cm). Log the pool hourly, then take the shortlisted wick through a full burn-down in 3-to-4-hour sessions, stopping with about 1 cm of wax left.
Your 7 cm jar, bracketed
C1, C2 and Cotton Braided, ten of each: ₹273.40.
Measure the inside at pool height, pour three jars per rung, burn them side by side for 3 to 4 hours, then burn the winner down. You will finish with one wick proven for your jar, wax and oil, and nine test candles' worth of evidence instead of a 200 ml guess.
Start with C1 and C2 Order the bracket on WhatsApp
Continue the read — jar diameter and wick selection
Editorial standards & sources
About this guide: the hub page for CSI's jar-diameter and wick-selection cluster: why the inside diameter at pool height, not the ml capacity, chooses the wick bracket; which diameter to measure on different jar shapes; four ways to measure it, including a water-rise check; what CSI's jar listings do and do not state; how to turn a diameter into a three-rung bracket and read the first burn; and a costed nine-candle bracket.

Customer reviews: The six reviews at the top of this page are genuine, published Judge.me reviews left by CSI customers on the product pages named on each card — Bamboo Wick Holder, Black Matte Glass Jar, Clear Glass Jar with Golden Lid (150 gram), Eco Candle Wicks, Luxury Soy Wax CSI 464 (Flakes Form) For Container Candles. They are general product reviews, not assessments of the container advice on this page. Names, star ratings, dates and products are as recorded by Judge.me and wording is unedited. "Verified buyer" appears only on reviews Judge.me recorded as verified — Monika Deep, Soumili Gope, Tina Lynette Lazaro Moganti, Thenirvaofficial. The reviews from Ashwini, Lalitha Jagan are published but not recorded as verified, and carry no badge. Reviews below five stars are included as published, not filtered out.

Figures verified 26 September 2026, CSI live pricing: Eco Candle Wicks Thin (C1) 10 ₹59.00, 20 ₹118.00, 50 ₹295.00, 100 ₹590.00, 500 ₹2,950.00, 1000 ₹5,900.00 (₹5.90 per wick); Thick (C2) 10 ₹94.40, 20 ₹188.80, 50 ₹472.00, 100 ₹944.00, 500 ₹4,720.00, 1000 ₹9,440.00 (₹9.44 per wick); Cotton Braided Wicks Ready Made 10 ₹120.00, 50 ₹600.00, 100 ₹1,200.00, 500 ₹6,000.00, 1000 ₹12,000.00 (₹12.00 per wick); Performance Wooden Wicks 10 ₹590.00, 50 ₹2,360.00, 100 ₹4,130.00; White Matte Glass Jar Pack of 5 ₹354.00, Pack of 10 ₹708.00 (₹70.80 per jar); Wick Centering Device (Pack of 5) ₹118.00; Candle Making Weighing Scale ₹354.00; Luxury Soy Wax CSI 464 500 g ₹260.00, 1 kg ₹507.40, 10 kg ₹5,074.00; Sandalwood Fragrance Oil 15 g ₹93.22, 100 g ₹502.68, 1 kg ₹5,026.80 (₹5.03 per gram at 1 kg). Per wick and per jar = pack price ÷ units; two decimals.

Non-price figures: pool area = π × r² on inside diameters (6.0 cm 28.27 cm², 6.3 cm 31.17 cm², 7.0 cm 38.48 cm², 7.5 cm 44.18 cm², 8.0 cm 50.27 cm²); 1 g of water ≈ 1 cm³. The 3-to-4-hour first burn, 0.5-to-1 cm pool depth, one hour per 2.5 cm of width, the 1 cm stop line and the 0.86-to-0.9 wax factor are rules of thumb. The 0.35 cm wall of the Matte worked example is an assumption; CSI publishes no wall thickness. Test candles are 150 g at 8% (12 g oil + 138 g wax, load on total weight). Wax and oil ceilings are as stated on their pages (formulation limits, not regulatory limits). Diwali is a calendar date; the bracket timing is a worked plan, not a delivery promise. Costs exclude labour, freight, packaging and GST.
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