My Jar Narrows Toward the Bottom — Should I Select the Wick Based on the Top, Middle or Bottom Internal Diameter?

My Jar Narrows Toward the Bottom — Should I Select the Wick Based on the Top, Middle or Bottom Internal Diameter?

 

Clear 150 g jar ₹94.40 each Eco C1 ₹5.90 / C2 ₹9.44 per wick Cotton Braided ₹12.00 per wick
Tapered jars · wick for the top, check the bottom
Profile your jar at three heights and bracket three wicks against the widest pool the first burns must reach.
★★★★★
"The jars were of good quality"
Soumili GopeVerified buyer · Mar 2026
Clear Glass Jar with Golden Lid (150 gram)
★★★★★
"Good product"
Biny AbrahamVerified buyer · Feb 2026
Black Glass Jar with Black Lid (150 gram) (Deliveries Starting 5th Dec)
★★★★☆
"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
★★★★☆
"Love the quality and scent notes. The lavender scent that I bought is selling fast"
Renam DhoundiyalVerified buyer · Apr 2026
Woody Oud Fragrance Oil
★★★★★
"Good quality wood fragrance oil with a warm, long-lasting scent and strong performance in candles."
Payal PatelVerified buyer · Mar 2026
Woody Oud Fragrance Oil
★★★★☆
"Good quality wax"
Arminder KaurVerified buyer · Oct 2025
Eco Soy CSI 400
★★★★★
"The jars were of good quality"
Soumili GopeVerified buyer · Mar 2026
Clear Glass Jar with Golden Lid (150 gram)
★★★★★
"Good product"
Biny AbrahamVerified buyer · Feb 2026
Black Glass Jar with Black Lid (150 gram) (Deliveries Starting 5th Dec)
★★★★☆
"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
★★★★☆
"Love the quality and scent notes. The lavender scent that I bought is selling fast"
Renam DhoundiyalVerified buyer · Apr 2026
Woody Oud Fragrance Oil
★★★★★
"Good quality wood fragrance oil with a warm, long-lasting scent and strong performance in candles."
Payal PatelVerified buyer · Mar 2026
Woody Oud Fragrance Oil
★★★★☆
"Good quality wax"
Arminder KaurVerified buyer · Oct 2025
Eco Soy CSI 400
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 the Clear Glass 150 g jar — ₹944.00 Send us your three diameters 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
A jar that narrows has three diameters worth measuring and only one worth wicking for. The top pool is the one the first burns must win; the middle and bottom decide whether the wick, and the jar, pass. Here is how to profile the inside, choose, and check.
The top
the inside diameter at first-burn pool height chooses the wick; mid-jar and the stop line approve it · CSI live pricing, September 2026
Quick answers — read this first
Top, middle or bottom: which diameter chooses the wick? Usually the top: the inside diameter at pool height in the first burns, where the jar is widest. The wick must melt that pool to the glass from the very first burn, or a memory ring forms and the candle tunnels from there down.

Why not the middle, as a compromise? Because a wick chosen for the middle faces a pool it was not chosen for in the first burns. In our worked example the top pool is 30.6% larger than the mid-jar pool; that gap is the usual start of a tunnel that is hard to recover.

Then what are the middle and bottom for? Checks. As the candle burns into the narrower glass, the same wick has less pool to melt: 23.5% less at mid-jar and 39.0% less at the stop line in our example. Watch pool depth, flame height, soot and the glass there.

What if the bottom fails the check? Try the lowest rung that still fills the top. If that one also runs too hot low down, the jar's taper is the problem, not the wick: raise the stop line, or choose a straighter jar.
The short answer
The rule: bracket the wick against the widest pool the early burns must reach, which in a jar that narrows downward is the top. Middle and bottom are pass/fail checkpoints, not selection inputs.
The measure: profile the inside at three heights (fill line, mid-jar, stop line) with callipers or a 20 g water-step profile, and work out the pool area at each.
The taper: pool area lost from top to stop line, as a percentage. Up to about 20% (our judgement): the top-chosen wick rarely needs a second thought. Above about 35%: watch the bottom third closely.
The test: C1 / C2 / Cotton Braided × 3 jars in the Clear Glass 150 g jar with wax and oil: ₹2,631.14. Checkpoints at the first burn, mid-jar and the stop line.
Shop: Clear Glass Jar with Golden Lid (150 gram) · Eco C1/C2 wicks · Cotton Braided Wicks · Candle Wick Stickers · all candle wicks
In this guide
A jar that narrows: wick for the top, check the middle and the bottom Worked example drawn to scale (1 cm = 20 px). Inside 8.0 cm at the fill line, 6.0 cm at the floor, 8 cm of wax. Glass walls not shown. 1 8.0 cm inside · 50.27 cm² first burns: the wick is chosen here 2 7.0 cm inside · 38.48 cm² (23.5% less) mid-jar check: pool reaches glass sooner 3 6.25 cm inside · 30.68 cm² (39.0% less) stop line, 1 cm above the floor: heat check floor: 6.0 cm inside rim The pool at each checkpoint, from above, to scale Checkpoint 1 50.27 cm² Checkpoint 2 38.48 cm² Checkpoint 3 30.68 cm² wick must fill this in 3 to 4 h same wick, 23.5% less to melt same wick, watch flame and glass A wick chosen at checkpoint 2 would face a pool 30.6% larger than it was chosen for during the first burns: the usual start of a tunnel. Dimensions are illustrative. Measure your own jar at three heights; the burn test, not this drawing, approves the wick.
A jar that narrows from 8.0 cm inside at the fill line to 6.0 cm at the floor, drawn to scale. The wick is chosen against checkpoint 1, the widest pool the first burns must reach (50.27 cm²). Checkpoints 2 and 3 carry the same wick into less pool (23.5% and 39.0% less), which is where you check pool depth, flame and glass. Dimensions are a worked example; profile your own jar.
Rim 7 cm, base 6.5 cm on the page · ₹94.40 per jar
Clear Glass Jar with Golden Lid (150 gram): profile it before you wick it
Rungs chosen at the top · from ₹59.00 for 10
Eco C1 and C2: bracket against checkpoint 1, verify at 2 and 3
WhatsApp +91 7397976926
Send us your three inside diameters for a bracket
Straight answer
My jar narrows toward the bottom. Should I select the wick based on the top, middle or bottom internal diameter?
Select it against the top: the inside diameter at pool height during the first burns, which in a jar that narrows downward is the widest pool the candle will ever have to melt. The first few burns decide whether the candle burns evenly for the rest of its life. If the pool does not reach the glass at the top, a ring of solid wax forms, later burns follow the narrower pool down, and the candle tunnels. Choosing for the middle or bottom makes that problem very likely in a strongly tapered jar. The middle and bottom diameters still matter, but as checks, not inputs. As the candle burns down, the same wick has less pool to melt, so it reaches the glass sooner, can run a deeper pool and a taller flame, and puts more heat near the narrower glass at the end. So: profile the inside at three heights, bracket three wicks against the top, and approve only the one that fills the top in 3 to 4 hours and still behaves at mid-jar and at the stop line about 1 cm above the floor. If no rung passes both, the jar's taper is the problem.
One line: the top chooses the wick, the middle and bottom approve it.
Profile, then bracket. A pack of 10 Clear Glass Jars with Golden Lid (150 gram) is ₹944.00 (₹94.40 each, in stock on 26 September 2026): one jar for the water-step profile, nine for a C1 / C2 / Cotton Braided bracket.
Buy 10 jars — ₹944.00

Why the top chooses the wick

A candle forgives a generous wick at the bottom far more readily than a mean one at the top.

Every burn of a container candle leaves a record. When you blow it out, the pool sets, and its edge becomes a line the next burn tends to follow. Candle makers call a pool that stops short of the glass a memory ring. If the first burns leave one, the next burns melt down inside it rather than out to the glass, and the candle tunnels. The first burns happen at the top of the jar. So the pool the wick must win, first and without fail, is the one at the top.

In a jar that narrows toward the bottom, the top is also the widest pool the candle will ever have. Everything below is smaller. That makes the choice asymmetric. A wick sized for the top will, lower down, find its job getting easier; it may run a deeper pool or a taller flame, which you must check, but it will not tunnel. A wick sized for the middle or bottom will find the top too big from the first burn, and the tunnel it starts is hard to undo.

Three ways to choose · worked example, 8.0 → 6.0 cm inside
What happens at each height if you wick for top, middle or bottom
Chosen for At the top (first burns) Mid-jar Near the stop line Verdict
Top, 50.27 cm² Pool reaches the glass Reaches the glass sooner; pool may run deeper Most heat for least pool: check flame and glass Default choice; must pass the bottom check
Middle, 38.48 cm² Pool 30.6% bigger than planned: likely ring About right, if it ever gets here evenly A little generous Compromise that fails in the first burns
Bottom, 30.68 cm² Tunnels from the first burn Tunnel continues Right size, for a pool that is now a hole Wrong for any noticeable taper

"Wick for the top" has two refinements. First, it means the inside diameter at the height the pool sits in the first burns, about 0.5 to 1 cm below your fill line, not the rim. If your jar has a lip or neck above the fill line, ignore it. Second, "usually" matters: a jar that is widest in the middle (a belly or barrel) is a different shape, where the pool must reach the widest point partway down; there, test at the belly as well as the top. For measuring the inside and the logic of pool height, see the diameter-and-wick hub.

Mistake: measuring the jar once, at the base (the easiest place to reach with a ruler), and wicking for that. What happens: in a strongly tapered jar, a wick sized for the floor leaves a thick ring of wax on the glass in the first burn and tunnels by the third. Fix: measure at the fill line, mid-jar and the stop line, and bracket against the first.

Profile the inside: the 20 g water-step method

You cannot get callipers to the bottom of a narrow-necked jar. Water gets everywhere.

Callipers or a ruler work at the top. Lower down, and in opaque or coloured glass, they get awkward. The water-step profile gives you the inside diameter at every height with only a scale and a ruler, because 1 g of water is about 1 cm³. Each step of water fills a thin slice of the jar; how far the level rises tells you that slice's area.

1
Set upStand a clean, dry jar on the scale and tare. Tape a paper strip or ruler up the outside of a clear jar; for opaque glass, mark a wooden skewer to use as a dipstick.
2
Fill the floor's curve firstAdd water until the curved corner at the base is just covered, and mark the level. The profile starts here; the corner is not wax the pool will ever sit in.
3
Add 20 g at a time, marking each levelPour exactly 20 g, let the surface settle, mark the level. Repeat to your fill line. A 150 g-class jar takes about eight to ten steps.
4
Turn each rise into a diameterArea of the slice = 20 ÷ rise in cm. Inside diameter = 2 × √(area ÷ 3.1416). A rise of about 0.52 cm means about 7 cm inside; about 0.40 cm means about 8 cm.
5
Read off the three checkpointsCheckpoint 1: the slice at your fill line. Checkpoint 2: the slice halfway down. Checkpoint 3: the slice about 1 cm above the floor. Write all three on your spec sheet with pool areas.
6
Repeat on a second jarMass-produced glass varies. If two jars from the same pack disagree by more than a millimetre or two at the top, use the smaller top diameter for the bracket and note the spread.
Water-step profile · rise per 20 g of water · plain geometry
Smaller rises mean a wider slice; the rise grows as the jar narrows
Inside diameter of the slice Slice area Rise for 20 g
8.0 cm 50.27 cm² 0.40 cm
7.5 cm 44.18 cm² 0.45 cm
7.0 cm 38.48 cm² 0.52 cm
6.5 cm 33.18 cm² 0.60 cm
6.0 cm 28.27 cm² 0.71 cm

The differences between rows are a millimetre or so, so read the level at eye height and use the same edge of the meniscus every time. The profile does two jobs at once: the three checkpoint diameters for the wick, and the fill-line water weight for your fill weight, which is the method in the 200 ml fill-weight hub.

How much taper is too much?

A few millimetres of taper is a styling detail. A few centimetres is a different candle at the bottom.

Express the taper as the pool area lost from checkpoint 1 (top) to checkpoint 3 (stop line). That single percentage tells you how hard the top-chosen wick will be working at the end, relative to the job it was chosen for. The bands below are our judgement for deciding how closely to watch the bottom; they are not industry thresholds.

Taper bands · pool area lost from top to stop line · our judgement
The more pool you lose, the more the bottom third needs watching
Band Area lost, top → stop line Example How to wick Bottom check
Mild up to about 20% CSI 150 g jar on paper: 31.17 → 26.42 cm², 15.2% less Bracket against the top as normal Standard burn-down; rarely changes the choice
Moderate about 20% to 35% A 7.5 cm top narrowing to about 6.2 cm Take the lowest rung that fills the top in 3 to 4 hours Log pool depth and flame height from mid-jar down
Strong above about 35% Worked example: 50.27 → 30.68 cm², 39.0% less Lowest adequate rung; never "one up to be safe" Every session in the bottom third watched; stop line may need raising

Notice the instruction for moderate and strong tapers: the lowest rung that fills the top. In a straight jar, a slightly generous wick is a small risk. In a narrowing jar it compounds, because the same heat meets less and less pool on the way down. If C1 and C2 both reach the glass at the top within the window, choose C1 and see whether it holds; take C2 only if C1 leaves a ring.

When no rung passes both tests

Sometimes the lowest wick that fills the top is still too much at the bottom: the pool runs deep, the flame climbs, soot appears, or the glass near the flame reads much hotter than at the same stage in your straight jars (measure with a non-contact thermometer (CSI does not sell one), never your hand). Then the wick is not the problem, and changing it will just trade a tunnel for heat. Your honest options are to raise the stop line (stop burns with more wax left and say so on the care label), to fill lower so the candle never burns into the narrowest glass, or to choose a less tapered jar. How a jar that is wider at the top behaves over the whole burn-down, session by session, is the burn-testing post for wider-top jars; heat at the end of a jar is also shaped by a thick base (the thick-base post) and, with two wicks, by the double-wick heat post.

Argued against our own interest: if your chosen jar has a strong taper and the bottom check fails with every rung, the right purchase is a straighter jar, and it may not be one of ours. We would rather lose a jar order than have you sell candles that run hot in the last third.

Three checkpoints: what each must show

Three moments in a candle's life, three questions, one wick that has to answer all of them.

The checkpoints turn "wick for the top, check the rest" into a pass/fail test. Run them on the shortlisted wick from your bracket, in 3-to-4-hour sessions. (The full session-by-session schedule for a taper, and why heat builds as the pool descends, is the subject of the wider-top burn-testing post; here is what each checkpoint must prove for the selection to stand.)

Selection checkpoints · rules of thumb, labelled
The wick is approved only if it passes all three
Checkpoint When Pass Fail, and what it means
1. Top (fill line) First burn, 3 to 4 hours Pool reaches the glass all round, about 0.5 to 1 cm deep, steady flame Ring of wax: rung too small for the top. Move up one rung
2. Mid-jar The session when the surface is about halfway down Pool at the glass early in the session and no deeper than about 1.5 cm; flame steady; no soot Deep pool, tall flame: the wick is generous for a narrower pool. Note it and continue to 3
3. Stop line Final sessions, until about 1 cm of wax remains Flame steady, no soot, glass temperature (non-contact thermometer, never your hand) similar to your straight-jar candles at the same stage Flame climbing, soot, glass reading markedly hotter: try the next rung down if it passed 1; otherwise the taper is the problem

A rough rule some makers use, about one hour per 2.5 cm of width for a full first pool, gives about 3.2 hours for an 8 cm top: inside the 3-to-4-hour window, but at its edge. If your top-chosen wick needs well beyond four hours to reach the glass at checkpoint 1, it is too small, whatever it does lower down.

Keep the wick centred all the way down
In a narrowing jar, an off-centre wick reaches the glass on one side long before the other, and the gap widens as the jar narrows. Anchor the tab flat on the small floor (a wick sticker or a little wax), hold the wick straight while it sets, and look again at the wick's position when you reach checkpoint 2.

CSI's 150 g jar: narrower at the base, on paper

Our own listing describes this jar three different ways. We will quote all three and let your ruler decide.

The Clear Glass Jar with Golden Lid (150 gram) belongs to the only CSI jar family (this clear jar and its coloured 150 g sisters) whose pages list a base diameter smaller than the rim: "outer rim diameter approximately 7cm" and "base diameter approximately 6.5cm", with "Height 8cm" and "150g fill capacity". On those figures it narrows toward the base. The same page also calls the shape a "curved silhouette" and, elsewhere, a "clean, straight-sided surface". Those cannot all be true of the same profile, and "base diameter" could be the foot, not the body.

If we take the figures at face value, with walls of about 3.5 mm (our assumption), the inside runs from about 6.3 cm at the top to about 5.8 cm near the base: 31.17 → 26.42 cm², 15.2% less pool at the bottom. That is a mild taper: bracket against the top as normal, and the bottom check rarely changes the result. But until you have profiled one, you do not know whether it tapers, curves or runs straight. The coloured versions (Black, Red, Pink, Orange; Amber out of stock on 26 September 2026) list the same "outer rim" and "base" figures, with only the height given with the lid, and some titles still say "Deliveries Starting 5th Dec": confirm dispatch on WhatsApp.

Argued against our own interest: our listing's shape description is contradictory, and we would rather say so than let you wick to the prettier adjective. Ask us on WhatsApp what the base figure measures, and profile one jar yourself before you commit to a wick for the pack.
The hot-pour figure is the page's, and it is a ceiling
This family's pages state a hot-pour limit of "up to 85°C" (the clear jar's wording is "Safe for hot pour up to 85°C"). CSI 464's page gives a pour temperature of 80°C–90°C, so pour at 80–85°C: the lower of the two stated limits governs. The 85°C figure is a pouring statement, not a burn-down test; CSI publishes no thermal-shock or burn-down data for this jar.

What to buy for a tapered-jar bracket

Five items, chosen on page wording, price and stock on 26 September 2026. CSI has not burn-tested any of them in a tapered jar with your wax and oil.

1
jar · CSI's listed "rim wider than base" jar
Clear Glass Jar with Golden Lid (150 gram)
The page states "outer rim diameter approximately 7cm", "base diameter approximately 6.5cm", "Height 8cm" and "150g fill capacity", and says "Safe for hot pour up to 85°C" (page wording). On paper that is a jar narrower at the base than at the rim. The same page calls the shape a "curved silhouette" in one place and "clean, straight-sided" in another, and does not say whether 6.5 cm is the outside of the foot or the body, so confirm on WhatsApp and run the water-step profile yourself. With CSI 464 (pour 80°C–90°C on its page), the lower limit governs: pour at 80–85°C. Coloured versions (Black, Red, Pink, Orange) are ₹107.00 per jar and in stock; Amber is out of stock on 26 September 2026, and several coloured titles still carry a stale "Deliveries Starting 5th Dec". Limitation: no pack discount.
Pack Price Per jar What it covers
Pack of 10 ₹944.00 ₹94.40 a three-rung bracket, three jars each, plus one to profile
Pack of 20 ₹1,888.00 ₹94.40 a bracket plus a retest round
₹94.40 per jar at either pack; the 20-pack is exactly two 10-packs. Buy a pack of 10 — ₹944.00
2
wick · rungs for a 6 to 7 cm top
Eco Candle Wicks — Thin (C1) and Thick (C2)
For a jar whose top is in the 6 to 7 cm class, C1 and C2 are the likely lower rungs, chosen against the top checkpoint. The page describes natural-fibre wicks that "pair perfectly with soy wax" and states no jar size. Flat per wick at every pack (₹5.90, ₹9.44). In a tapered jar the choice between two adjacent rungs matters twice: the bigger one fills the top more surely and works the narrow bottom harder. That trade-off is exactly what the checkpoints test. Limitation: two sizes only.
Pack Price Per wick What it covers
Thin (C1) / 10 Wicks ₹59.00 ₹5.90 three bracket jars and a retest
Thin (C1) / 20 Wicks ₹118.00 ₹5.90 two tapered designs
Thin (C1) / 50 Wicks ₹295.00 ₹5.90 50 candles once it wins
Thin (C1) / 100 Wicks ₹590.00 ₹5.90 100 candles
Thin (C1) / 500 Wicks ₹2,950.00 ₹5.90 a season of one jar
Thin (C1) / 1000 Wicks ₹5,900.00 ₹5.90 bulk: confirm dispatch first
Thick (C2) / 10 Wicks ₹94.40 ₹9.44 three bracket jars and a retest
Thick (C2) / 20 Wicks ₹188.80 ₹9.44 two tapered designs
Thick (C2) / 50 Wicks ₹472.00 ₹9.44 50 candles once it wins
Thick (C2) / 100 Wicks ₹944.00 ₹9.44 100 candles
Thick (C2) / 500 Wicks ₹4,720.00 ₹9.44 a season of one jar
Thick (C2) / 1000 Wicks ₹9,440.00 ₹9.44 bulk: confirm dispatch first
Ten of each: ₹153.40; every size in stock on 26 September 2026. Buy C1/C2 — from ₹59.00
3
wick · the ceiling rung
Cotton Braided Wicks Ready Made
The page says "engineered for large-diameter candles exceeding 8 cm". In a jar whose top is 6 to 7 cm inside, that makes it the ceiling rung: if it over-melts at checkpoint 1, you know C2 is as high as you need to go, and you have seen what too much wick does before it reaches the narrow bottom. In the worked 8 cm-top jar it moves to the middle of the bracket. Tabbed, 10.16 cm long per the page. Flat ₹12.00 per wick. Limitation: one size.
Pack Price Per wick What it covers
Pack of 10 ₹120.00 ₹12.00 the ceiling rung for a 6 to 7 cm top
Pack of 50 ₹600.00 ₹12.00 50 candles if it wins
Pack of 100 ₹1,200.00 ₹12.00 100 candles
Pack of 500 ₹6,000.00 ₹12.00 500 candles
Pack of 1000 ₹12,000.00 ₹12.00 bulk production
₹120.00 for ten; three for the bracket, seven for retests. Buy 10 — ₹120.00
4
accessory · anchors a tab on a small floor
Candle Wick Stickers (40 stickers)
A jar that narrows has a small floor, and the wick tab has less room to sit flat. A tab that lifts or slides moves the wick off-centre, and in a narrowing jar an off-centre wick reaches the glass on one side early in the lower third. The page describes 10 mm round stickers that "withstand the heat of melted wax". The 40-sticker sheet is in stock; the 100-sticker sheet is out of stock on 26 September 2026. Argued against our own interest: a dab of hot glue or a little melted wax also anchors a tab; stickers are simply tidier.
Pack Price Per sticker What it covers
1 sheet - 40 stickers ₹100.00 ₹2.50 four nine-jar brackets
1 sheet - 100 stickers ₹236.00 Out of stock Out of stock on 26 September 2026
₹2.50 per sticker on the in-stock sheet. Buy 40 — ₹100.00
5
tool · for the water-step profile
Candle Making Weighing Scale
The water-step profile in this guide adds water in 20 g steps and turns each rise into an inside diameter. It needs a scale that reads single grams. The page describes "grams or ounces" and "one-button operation" but states no maximum or reading step, so check the unit before relying on it. Argued against our own interest: any kitchen scale that reads 1 g and tares will run the profile just as well.
Unit Price Per unit What it covers
Single ₹354.00 ₹354.00 water-step profiles, fill weights and every weighing
One scale runs the profile and the fill-weight check. Buy the scale — ₹354.00
When the right purchase is nothing: if you already own the jars and two or three wick sizes, profile one jar tonight with water and a kitchen scale. If the taper is mild, bracket against the top as you would any jar; you need nothing new to answer this question.

What the bracket costs

One jar to profile, nine to burn. The profile costs a jar and some water.

Worked example: C1 / C2 / Cotton Braided × three jars in the Clear 150 g jar, 150 g candles at 8% (12 g oil + 138 g wax). Woody Oud Fragrance Oil is the costing example; its page states "candles (6-10%)" and "Cure soy wax candles for 48-72 hours before burn testing". Prices are CSI live pricing on 26 September 2026; costs exclude labour, freight, packaging and GST.

Tapered-jar bracket · CSI live pricing, 26 September 2026
Profile one jar, bracket nine: ₹2,631.14
Item Needed Buy Price
Clear Glass Jar with Golden Lid (150 gram) 1 profiled + 9 poured Pack of 10 ₹944.00
Luxury Soy Wax CSI 464 1,242 g (9 × 138 g) 1 kg + 500 g ₹767.40
Woody Oud Fragrance Oil 108 g (9 × 12 g) 100 g + 15 g ₹546.34
Eco C1 + Eco C2 + Cotton Braided 3 of each 10 of each ₹273.40
Candle Wick Stickers 9 1 sheet - 40 stickers ₹100.00
Total 9 candles 258 g wax, 7 g oil, 21 wicks spare ₹2,631.14

With your own jars and anchoring, the wax, oil and wicks cost ₹1,587.14. The profiled jar is dried and poured later as a spare. CSI 464 costs ₹0.52 per gram at 500 g and ₹0.51 at 1 kg and above, and its page states up to 10%, so 8% sits inside both ceilings. Seven grams of oil will not cover a retest; add a 15 g (₹93.22) if a rung needs re-pouring. One finished candle in this jar is ₹94.40 + ₹70.02 of wax + ₹54.37 of Woody Oud at the 1 kg price + a C2 ₹9.44 = ₹228.24 in materials; a hundred is ₹22,823.56. In a strongly tapered jar, a hundred candles wicked for the bottom risk tunnelling together; the bracket is the insurance.

Argued against our own interest: the coloured 150 g jars cost ₹12.60 more per jar than the clear (₹107.00 against ₹94.40). Profile and bracket in clear, where you can see the pool and the wick, then move to colour for production, with one confirmation candle, since a coloured jar's glass may run its burn differently.
Diwali, 8 November 2026, is 43 days after 26 September 2026. A tapered-jar bracket needs delivery, a 48-to-72-hour cure, a first burn and a full burn-down through all three checkpoints: allow ten days after pouring. Pour by 5 October. Send us your three inside diameters and candle count for a quote with GST invoice and a dispatch date from Pune.
WhatsApp a Diwali quote
The CSI principle
The widest pool the first burns must reach chooses the wick. Every narrower pool below it must approve it.
Profile the inside at three heights, bracket against the top, take the lowest rung that fills it, and let the stop-line checkpoint have the final word.
"Wick for the bottom and the candle tunnels from the first night. Wick for the top and the bottom tells you whether the jar was a good idea."
— CandleMakingSuppliesIndia
Why trust this guide

CandleMakingSuppliesIndia sells the jars, wicks, stickers, wax and oil named here and does not sell finished candles. This page tells you that our own 150 g jar listing describes its shape in contradictory ways, that coloured versions cost more and carry stale dispatch text, and that a strongly tapered jar may simply be the wrong jar, possibly not one of ours. That is deliberate.

Every price and per-unit figure was verified on CSI's live store on 26 September 2026; every pack in a pick table was in stock that day except where marked out of stock. Jar, wick and wax wording is quoted from the product pages.

Pool areas are geometry on inside diameters; the 8.0 → 6.0 cm taper and the 0.35 cm walls of the 150 g example are assumptions. The taper bands and checkpoint criteria are editorial judgement; the 3-to-4-hour first burn, 0.5-to-1 cm pool, 1.5 cm deep-pool warning, one hour per 2.5 cm and 1 cm stop line are rules of thumb. For bulk pricing, GST invoicing, and MSDS and IFRA documentation on request, message us on WhatsApp at +91 7397976926.

Frequently asked questions

Do I choose wick size by the top or bottom diameter of a candle jar?
By the top, meaning the inside diameter at pool height in the first burns, when the jar narrows downward. The first burns must reach the glass or the candle tunnels. Use the middle and bottom diameters as checkpoints for pool depth, flame and glass heat, not to choose the wick.
Why does my candle burn fine at the top but get too hot near the bottom of a tapered jar?
The same wick has less pool to melt as the jar narrows: 39.0% less at the stop line in our 8.0 → 6.0 cm example. Try the lowest rung that still fills the top; if that also runs hot low down, raise the stop line, fill lower or choose a straighter jar.
How do I measure the inside diameter at the bottom of a jar?
Use a water-step profile: tare the jar on a scale, add water in 20 g steps and mark each level. Slice area = 20 ÷ rise in cm; inside diameter = 2 × √(area ÷ 3.1416). About 0.52 cm of rise means about 7 cm inside.
Can I pick a wick for the middle diameter as a compromise?
It usually fails in the first burns. In our worked example the top pool is 30.6% larger than the mid-jar pool, so a mid-jar wick leaves a ring of wax at the glass early on, and the candle follows that ring down. Choose against the top and verify lower down.
How much taper is too much for one wick?
As our judgement, up to about 20% less pool area from top to stop line rarely changes the wick; above about 35%, watch every session in the bottom third. If no rung fills the top and behaves at the bottom, the taper, not the wick, is the problem.
Is CSI's 150 g Clear Glass Jar tapered?
Its page lists an outer rim of about 7 cm and a base of about 6.5 cm, which suggests a mild taper, but also calls it both curved and straight-sided. Profile one with water and confirm on WhatsApp before wicking a pack.
Your tapered jar, wicked from the top
Profile one jar, bracket nine: ₹2,631.14 with wax and oil.
Measure the inside at the fill line, mid-jar and the stop line; bracket C1, C2 and Cotton Braided against the top; take the lowest rung that fills it; then burn it down through all three checkpoints. You will know whether the wick is right and whether the jar is.
Start with a pack of 10 jars Order the bracket on WhatsApp
Continue the read — jar diameter and wick selection
Editorial standards & sources
About this guide: which inside diameter chooses the wick in a jar that narrows toward the bottom (the widest pool the first burns must reach), why middle and bottom are checkpoints rather than inputs, a 20 g water-step profile for measuring the inside at every height, taper bands, three selection checkpoints, CSI's 150 g jar listing, 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 — Black Glass Jar with Black Lid (150 gram) (Deliveries Starting 5th Dec), Clear Glass Jar with Golden Lid (150 gram), Eco Candle Wicks, Eco Soy CSI 400, Woody Oud Fragrance Oil. 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 — Soumili Gope, Biny Abraham, Monika Deep, Renam Dhoundiyal, Payal Patel, Arminder Kaur. Reviews below five stars are included as published, not filtered out.

Figures verified 26 September 2026, CSI live pricing: Clear Glass Jar with Golden Lid (150 gram) Pack of 10 ₹944.00, Pack of 20 ₹1,888.00 (₹94.40 per jar); coloured 150 g jars Pack of 10 ₹1,070.00, Pack of 20 ₹2,140.00 (₹107.00 per jar; Amber out of stock); 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); Candle Wick Stickers 40 ₹100.00 (100-sticker sheet out of stock); Candle Making Weighing Scale ₹354.00; Luxury Soy Wax CSI 464 500 g ₹260.00, 1 kg ₹507.40, 10 kg ₹5,074.00; Woody Oud Fragrance Oil 15 g ₹93.22, 100 g ₹453.12, 1 kg ₹4,531.20 (₹4.53 per gram at 1 kg). Per unit = pack price ÷ units; two decimals.

Non-price figures: pool area = π × r² on inside diameters (8.0 cm 50.27, 7.0 cm 38.48, 6.25 cm 30.68, 6.3 cm 31.17, 5.8 cm 26.42 cm²); 1 g of water ≈ 1 cm³. The 8.0 → 6.0 cm jar is a worked example; the 150 g jar's inside figures assume 0.35 cm walls on its listed outer rim and base. Taper bands and checkpoint criteria are judgement; the pool-depth, first-burn, one-hour-per-2.5-cm and 1 cm stop-line figures are rules of thumb. Test candles are 150 g at 8% (12 g oil + 138 g wax). The 85°C figure is page wording. Diwali is a calendar date. Costs exclude labour, freight, packaging and GST.
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