My Candle Flame Is Large and the Fragrance Smells Harsh While Burning — Could Excessive Heat Be Changing the Scent Character?

My Candle Flame Is Large and the Fragrance Smells Harsh While Burning — Could Excessive Heat Be Changing the Scent Character?

 

Eco C1 ₹5.90 a wick (20-pack ₹118.00) Lavender 50 g ₹270.00 for the control arm Weighing scale ₹354.00
Large flame · harsh smell while burning
Sniff cold, at 1 hour and at 3 hours, beside one CSI rung down and a Lavender control: whichever change cleans the smell is your cause.
★★★★★
"Quality of fragrance is very good. Cold through and hot though both are perfect."
Priyanka PurohitVerified buyer · Sep 2026
Lavender Fragrance Oil
★★★★★
"Happy with the product ✨️"
Judy RoyVerified buyer · Dec 2025
Lavender 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
★★★★★
"One of the best fragrance oils"
AnonymousVerified buyer · Jul 2025
Dark Vanilla Fragrance
★★★★☆
"Good quality .... if possible delivery date would be try little bit quick please"
Subhankar RoyVerified buyer · Sep 2024
Eco Candle Wicks
★★★★★
"The fragrance was really amazing"
Akanksha SharmaVerified buyer · Jul 2026
Roasted Coffee Fragrance
★★★★★
"Quality of fragrance is very good. Cold through and hot though both are perfect."
Priyanka PurohitVerified buyer · Sep 2026
Lavender Fragrance Oil
★★★★★
"Happy with the product ✨️"
Judy RoyVerified buyer · Dec 2025
Lavender 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
★★★★★
"One of the best fragrance oils"
AnonymousVerified buyer · Jul 2025
Dark Vanilla Fragrance
★★★★☆
"Good quality .... if possible delivery date would be try little bit quick please"
Subhankar RoyVerified buyer · Sep 2024
Eco Candle Wicks
★★★★★
"The fragrance was really amazing"
Akanksha SharmaVerified buyer · Jul 2026
Roasted Coffee Fragrance
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 Candle Wicks — from ₹94.40 Ask about wick sizes on WhatsApp
✓ Prices verified 7 October 2026, stock checked per pack ✓ GST invoice; MSDS and IFRA documentation on request ✓ Raw materials only — CSI does not sell finished candles
CSI Wick Diagnosis · Harsh Burning Smell
The flame is big and the scent turns harsh. Heat can do that, but so can a carbon cap, a draught, a load past the ceiling or the oil itself. Sniff on a clock, change one thing at a time, and the cause shows itself.
1 h vs 3 h
the two sniffs that separate heat from formula: harshness that grows by hour three is following the flame
Quick answers — read this first
My candle flame is large and the fragrance smells harsh while burning. Could the heat be changing the scent? Plausibly, yes. An oversized flame runs hotter, can burn some fragrance at the flame, and commonly burns less cleanly, adding smoky or burnt notes of its own. But "harsh" has other causes that look the same: a long, carbon-capped wick, a draught, a load past the wax's ceiling, or an oil whose character is simply sharp or smoky when hot.

How do I tell heat from the oil? Sniff on a schedule. Cold and unlit first, then at 1 hour and at 3 hours. Harshness that appears or grows by hour three, as the pool deepens and the flame grows, tracks heat. Harshness that is there from the first minute, or in the cold candle, is the oil or how it was mixed.

What is the test? Three arms of three candles: your wick and oil; one CSI rung down with the same oil; your wick with a lighter oil (Lavender). Plus one unscented blank. If the smaller wick smells clean at 3 hours, heat from the wick was the cause.

What does it cost? From C2, a C1 20-pack (₹118.00) and Lavender 50 g (₹270.00); the 15 g Lavender sample is too small for a 200 g test candle. Check your load arithmetic first: that costs nothing.
The short answer
Is heat to blame? Plausibly: an over-hot, oversized flame can burn or alter fragrance and add combustion smells. It is a common observation, not CSI data, and it is only one of six causes.
The free checks: sniff the cold candle; trim to 5–6 mm, lift off any carbon cap and burn in still air; re-do your load arithmetic and weigh it, against the lower of the wax's and the oil's stated maximum.
The test: current wick + your oil, one CSI rung down + your oil, current wick + Lavender, three candles each, and one unscented blank; blind sniffs cold, at 1 h and at 3 h.
The decision: smaller wick clean at 3 h → the wick's heat, take it through full life. Lavender clean but your oil harsh on both wicks → the oil or its load. Everything harsh, even the blank → the burn itself.
Shop: Eco Candle Wicks C1/C2 · Lavender Fragrance Oil · Candle Making Weighing Scale · Luxury Soy Wax CSI 464 · Candle Wick Cutter
In this guide
Harsh while burning: score it on a clock Harshness 0 (clean) to 3 (harsh), mean of 3 candles (blank: 1). Illustrative. Cold 1 h 3 h A · C2 + your oil current wick 0.3 1.0 2.6 B · C1 + your oil one rung down 0.3 0.7 0.9 C · C2 + Lavender lighter oil 0.2 0.4 0.6 Blank · C2, no oil combustion only 0.0 0.3 0.5 shade: 0 1 2 3 your 0–3 scale; a 1-point gap counts (in-house) Reading the example A climbs from 1.0 to 2.6 by 3 h: the harshness follows the heat. B, one rung down, stays at 0.9; C and the blank stay low. Verdict: the current wick's heat. Take C1 through the full jar.
An illustrative score grid from the three-arm sniff test: each cell is the mean harshness of three candles, scored blind on a 0–3 scale, cold, at 1 hour and at 3 hours. Reading along a row shows whether harshness follows the heat; reading down a column shows which change removes it. Here the current wick climbs to 2.6 by hour three while one rung down, the Lavender arm and the unscented blank stay low, so the heat of the current wick is the cause. Your own scores decide; these are not CSI test data.
Wicks · C1 ₹5.90 · C2 ₹9.44 a wick at every pack
Eco Candle Wicks: one rung down, three candles, sniffed at 3 hours beside your current wick
Comparison oil · 50 g ₹270.00
Lavender: the lighter-note arm that separates "heat plus your oil" from combustion itself
WhatsApp +91 7397976926
Smaller wick smells clean but tunnels? Ask us what we stock between rungs, and hear honestly what we don't.
Straight answer
My candle flame is large and the fragrance smells harsh while burning. Could excessive heat be changing the scent character?
It could, and it is worth testing, but don't assume it. What heat can do (common observations, not CSI measurements): an oversized flame makes a hotter, deeper pool and a hotter flame zone, and fragrance vapour that drifts into that flame can be burned or altered rather than released; a big, flickering flame also tends to burn less cleanly, so soot and smoke add burnt, acrid notes of their own. What else smells the same: a long wick with a glowing carbon cap, a draught making the flame smoke, a fragrance load past the wax's ceiling (often from a basis mix-up), and oils whose dark, roasted, resinous or smoky notes simply read as sharp when hot. How to separate them: sniff the cold candle first; trim and still the air; then sniff at 1 hour and at 3 hours, beside one CSI rung down with the same oil and your current wick with a lighter oil. If the smaller wick smells clean at hour three while yours is harsh, the heat of your wick was changing the scent. If your oil is harsh on both wicks and Lavender isn't, it is the oil or its load. A smoking flame is a reason to stop the burn first, whatever it smells like.
One line: cold sniff, trim, then 1 h against 3 h, one CSI rung down beside your wick and a Lavender control. From C2 the wicks cost ₹118.00.
The three-arm test, priced: an Eco C1 20-pack (₹118.00) for arm B from C2, and Lavender Fragrance Oil 50 g (₹270.00) for arm C. Both in stock on 7 October 2026; the C1 10-pack is not.
Eco C1 20-pack — ₹118.00

What "harsh" usually means, and when it starts

Write down the smell and the minute it appeared. Those two notes do half the diagnosis.

Your symptom, restated: the flame is large, and while the candle burns the fragrance smells harsh, not just weaker but different. The words makers use vary: burnt, smoky, acrid, sharp, "chemical", oily or fuel-like, or a sweet oil turning flat and bitter. If the scent is only faint, that is a throw question for 6908; this post is about character.

Harsh-smell descriptors and what they commonly point to
Common associations reported by makers, not CSI test data · use them to choose which check to run first
You notice When Commonly points to First check
Smoky, sooty, "candle-wick" smell; black specks on a card Grows with burn time; worse with a long wick Incomplete combustion: long or capped wick, draught, oversized wick Trim, lift the cap, still air
Burnt or scorched version of the fragrance Appears by hour two or three Heat: deep pool and large flame overdriving the oil One rung down, sniff at 3 h
Oily, fuel-like or "plastic" From early on; oily surface or sputtering Load past what the wax holds, or the oil itself Load arithmetic and weighing
Sharp, medicinal or bitter in a dark, roasted or resinous scent From the first minutes, both wicks The oil's own character when hot Lavender on the same wick
Already "off" when cold and unlit Before lighting Oil batch, or mixing too hot or for too long Cold sniff against the bottle

Timing is the strongest clue. As a candle burns, the pool widens, then deepens, the jar warms and the flame often grows (the hour-by-hour pattern in the cluster hub). A smell that worsens in step with that is following heat. A smell that is there from minute one is following the formula. Two sibling series cover the formula side in depth: beautiful in the bottle, burnt when lit and an oily or fuel-like smell while burning.

Safety first, plainly: smoke you can smell and see is a combustion problem before it is a fragrance problem. If the flame smokes continuously, leans towards the glass or the glass looks blackened, put it out, let the candle cool and set fully, remove the carbon and trim before any relight. Ventilate after the sniff session. Never judge glass heat by touch; if you want a number, use your own non-contact thermometer at marked points (CSI lists none; our Pen Thermometer is for wax). No wick or oil makes a candle "safe" or "soot-free", and nobody should promise you one.

Six causes of a harsh burn, ranked

Two causes are how the candle is burned. Four are how it was made.

The ranking is our judgement for a large flame with a harsh smell, ordered so the free checks come first. The separating test for each is a sniff or a burn you can repeat.

Cause ranking · large flame, harsh smell while burning
Ranked by likelihood for this pattern and cost to test (judgement) · signs are common observations, not CSI data · ₹ from CSI live pricing, 7 October 2026
Cause What you'd notice Discriminating test Fix Cost
1. Long wick, carbon cap (burning: trimming) Glowing cap, smoky smell, tall flame; better straight after a trim Cool, lift off cap, trim 5–6 mm, relight; sniff at 1 h Trim before every burn Nothing, or a cutter at ₹177.00
2. Draught (burning: the room) Flicker, smoke streaks, smell worse with the fan or AC on Same candle in still air Placement; care instructions Nothing
3. Oversized wick overheating the burn (making: wick) Harsher at 3 h than at 1 h; deep pool; soot card darkens One CSI rung down, same oil, sniffed blind at 3 h Step down one rung, full-life test ₹118.00 (C1 20, from C2) or ₹94.40 (C2 10, from Cotton Braided)
4. Load past the ceiling, or mis-measured (making: load) Oily surface, sputtering, smoke, fuel-like note Redo the arithmetic on a total-weight basis; weigh the next batch Bring the load inside both ceilings Nothing, or a scale at ₹354.00
5. The oil's own character (making: oil) Harsh from minute one on both wicks; Lavender fine on the same wick Arm C: Lavender on your current wick Another oil, or a lower load tested within ceilings ₹270.00 (Lavender 50 g)
6. Mixing too hot or too long (making: process) Cold candle already smells off or flat compared with the bottle Cold sniff: bottle against cured candle Follow your wax page's temperatures; shorter hold Nothing

Dye can also change how a candle burns and smells, and coloured formulas deserve their own wick test; that is the dye cluster's subject (dark-coloured candles sooting more). Black smoke after two hours without a scent complaint is 6922; one oil smoking more than another at the same load is the oud-versus-citrus post.

On cause 6: wax pages state their own temperatures (Luxury Soy Wax CSI 464 "Pour Temperature 80°C – 90°C"; Premium Coconut Soy Wax CSI 468 pour 58–60°C). Adding oil much hotter than your wax needs, or holding the pot hot for a long time, can drive off lighter top notes and may darken some oils, a tendency rather than a measured figure. That damage is already in the cold candle, which is why the cold sniff comes first.

The load check: the arithmetic trap behind many harsh candles

"I use 10%" is a sentence that hides two different recipes.

CSI's convention is load as a percentage of total candle weight: a 200 g candle at 8% is 16 g oil + 184 g wax. Many makers calculate on wax weight instead and then add the oil on top. Worked example, labelled: you weigh 200 g of wax and add 24 g of oil, calling it "12%". On a total basis that candle is 10.71%, above Luxury Soy Wax CSI 464's stated "Up to 10%". It's an easy way to end up past a ceiling without meaning to, and an over-loaded candle commonly sweats, sputters and smokes.

Load basis conversions you need for the check
Of-wax % → of-total % = w ÷ (100 + w) × 100 · of-total % → of-wax % = t ÷ (100 − t) × 100 · ceilings are formulation limits, not regulatory ones
You wrote Equivalent Against CSI 464's "Up to 10%"
24 g oil to 200 g wax ("12%") 10.71% of total Above the stated ceiling on either reading
10% of wax weight 9.09% of total Inside, on either reading
10% of total weight 11.11% of wax Above it if the page means wax weight (it doesn't say)
9% of total weight 9.89% of wax Inside on both readings

Two ceilings rule: the lower of the wax page's stated maximum and the oil page's stated candle maximum governs. CSI 464 states up to 10%; Premium Coconut Soy Wax CSI 468 and Luxury Soy Wax Chunks state up to 13%; Lavender's page states 6–10% for candles. If your oil page states no candle load in the text we captured, work inside the wax ceiling. A maximum is a limit, not a recommendation: test at 6%, 8% and 10% within it. Loads that change wick behaviour have their own posts in this cluster (a bigger flame after lowering the load) and the next (more soot at 10% than 8%).

The three-arm sniff test, step by step

Same jar, same wax, same day. Change the wick in one arm and the oil in another.

The series default test candle, labelled: 200 g at 8% = 16 g fragrance + 184 g wax in your jar. The worked example assumes your current wick is C2; on Cotton Braided, arm B is C2. 10 candles in all.

Test design · three arms of three, plus a blank
One wax lot · one jar batch · poured the same day · same cure age · coded under the jar · worked example, labelled
Arm Wick Oil at 8% Candles Answers
A · control C2 (current) Your oil, 16 g 3 Does the harshness repeat, and when?
B · one rung down C1 Your oil, 16 g 3 Is it the heat of the wick?
C · lighter oil C2 (current) Lavender, 16 g 3 Is it your oil, or the burn itself?
Blank C2 (current) None: 200 g wax 1 What does the combustion alone smell like?
1
Weigh and pour all ten togetherWeigh oil and wax for every candle on one scale; same pour temperature (your wax page's figure); centre every wick. A helper writes codes under the jars and keeps the key.
2
Cure, then sniff coldSame cure age for all (many CSI oil pages state 48–72 hours for soy; many makers also wait to day 7). Before lighting, sniff each cold candle beside its bottle. An "off" cold candle points to the oil or the mixing before any flame is lit.
3
Trim, still air, light togetherTrim to 5–6 mm, fans and AC off, candles spaced well apart (or in turns in one aired room), room temperature noted.
4
Sniff blind at 1 h and at 3 hTwo or three assessors with fresh noses, about 1 m from the candle, one candle at a time. Each ticks descriptors (true to the oil, burnt, smoky, sharp, oily) and scores harshness 0–3. Log flame height, pool depth, mushroom and a soot card at the same moments.
5
Repeat on a second daySwap the sniffing order. Average each arm's scores over its three candles and both days, and compare 1 h with 3 h inside each arm.
6
Fill in the score gridArms down the side, cold, 1 h and 3 h across the top, then apply the decision rule below. The winning combination then burns to the end of the jar for approval.
The decision rule (ours, labelled)
Set it before the first sniff. Heat from the wick: arm A's harshness at 3 h is at least 1 point higher than at 1 h, and arm B at 3 h scores at least 1 point lower than arm A at 3 h. Your oil's character: arms A and B are both harsh from 1 h, while arm C stays clean. Your oil when hot: arm A grows harsher by 3 h, arm B is no better, arm C stays clean. The burn itself: arm C and the blank are harsh too: check load, wax, jar and draughts, and ask us. A 0–3 scale and a 1-point gap are an in-house protocol, not an industry standard.

Buying for the sniff test: the CSI list, approval and production

Our wick range is short. A harsh burn needs only one rung of it, if any.

CSI's sized, tabbed wicks are three rungs: C1 → C2 → Cotton Braided. One rung down is Cotton Braided → C2, C2 → C1, or a C2 pair → a C1 pair. There is no sized, tabbed wick between them, no smaller one than C1, and one wooden-wick listing with no widths. If C1 smells clean but tunnels in your jar, we cannot sell you the size in between because we don't stock one. Say so on WhatsApp, or take the adjustment on the formula side: a lower load, or another oil.

Buy list for the three-arm test · smallest in-stock pack
Per-wick ₹ = pack price ÷ wicks · flat per wick at every pack · Eco C1 10-pack out of stock on 7 October 2026 · excludes labour, freight, packaging and GST
Item Need Buy Per unit ₹
Arm B wick, from C2 3 C1 C1 20-pack (17 spare) ₹5.90 ₹118.00
Arm B wick, from Cotton Braided 3 C2 C2 10-pack (7 spare) ₹9.44 ₹94.40
Arm C oil 48 g Lavender Lavender 50 g (2 g spare) ₹5.40/g ₹270.00
Your oil (arms A and B) 96 g From stock — —
Wax: Luxury Soy Wax CSI 464, or your own 1,856 g 2 × 1 kg (144 g spare) ₹0.51/g ₹1,014.80
Total, from C2 your own jars and C2 wicks ₹1,402.80

With a weighing scale (₹354.00) and the 3 cm cutter (₹177.00) added, the kit is ₹1,933.80. Argued against our own interest: if the cold sniff, the trim or the load arithmetic explains the harshness, your spend is nothing. And don't buy a 500 g of Lavender, or of any new oil, for this: it is a control, not a new product.

Approval: the clean combination burns to the end

Whichever arm wins goes through the full-life test in your real formula: three candles, 4-hour sessions, trimmed each time, to about 1 cm of wax left (a common rule of thumb), judged in the top, middle and bottom thirds, with the 3-hour sniff repeated in each third. Worked example: at 7 g an hour (your scale decides), 200 g is about 28.6 hours, roughly 7 sessions. The approval rule (ours, labelled): every candle, in every third, scores no more than 1 on the harshness scale at 3 h, shows no visible smoke, keeps the flame inside your band (2.5–5 cm is a common starting point), stays within your depth and mushroom limits, and keeps the glass under your own written limit, measured, never felt. One fail in any candle fails the combination. This is an in-house protocol, not an industry standard.

The step to production quantity

Production wicks = candles × wicks per candle × (1 + a defect allowance). Worked example, labelled: 80 candles a month with a 5% allowance is 84 C1 wicks; 50 + 20 + 20 = 90 cost ₹531.00 and leave 6. The 100-pack (₹590.00) costs the same ₹5.90 a wick; buy it if the extra cash is no strain, not because it is cheaper. Stepping down saves ₹3.54 a candle, which is a side effect, never the reason. If the smaller wick only suits some fragrances, record a per-fragrance wick in your formula sheet (per-fragrance wicks). CSI publishes no lead times; confirm yours on WhatsApp.

Don't do this: don't blame the oil before you have trimmed the wick and sniffed it cold. A carbon cap smells harsh whatever the fragrance. Don't "fix" the smell by adding more oil: past the ceiling it commonly makes the burn sootier and harsher. Don't swap oil and wick at the same time, or you'll never know which one mattered. And don't sniff your own candle all afternoon and call it data: fresh noses, blind codes, fixed times. If the same smell also comes with black glass, the coffee-soot-after-three-hours post and smokes when the wick gets long cover the combustion side.
Christmas is 25 December 2026, 79 days from 7 October 2026. Winter candles burn in closed rooms, where a harsh note is noticed faster. Run the three-arm test this month; when a combination passes, send us your wick and oil quantities on WhatsApp so we can confirm stock and dispatch, with a GST invoice.
WhatsApp a festive wick and oil order

Five items for a harsh-smell diagnosis, and what to skip

Five items, chosen on page statements, price and stock on 7 October 2026. CSI publishes no smell, soot or flame data, so nothing here is ranked on performance, and each card says when not to buy.

1
wick · pre-tabbed · arm B
Eco Candle Wicks — Thin (C1) and Thick (C2)
The smaller wick for arm B: C1 if you burn C2 now, C2 if you burn Cotton Braided. In the text we captured, the page states no length, width or jar-diameter range, so it is your 3-hour sniff and burn log that decide. The page claims "minimal soot or smoke"; that can only describe a wick sized and trimmed for its jar. C1 is ₹5.90 and C2 ₹9.44 a wick at every pack. Argued against our own interest: if the trim test clears the smell, you need no new wick at all. The C1 10-pack is out of stock on 7 October 2026.
Pack Price Per wick Use
Thin (C1) / 10 ₹59.00 ₹5.90 Out of stock on 7 October 2026
Thin (C1) / 20 ₹118.00 ₹5.90 arm B: 3 used, 17 spare
Thin (C1) / 50 ₹295.00 ₹5.90 production, small batches
Thin (C1) / 100 ₹590.00 ₹5.90 same per wick
Thin (C1) / 500 ₹2,950.00 ₹5.90 same per wick
Thin (C1) / 1,000 ₹5,900.00 ₹5.90 same per wick
Thick (C2) / 10 ₹94.40 ₹9.44 arm B if Cotton Braided is your wick
Thick (C2) / 20 ₹188.80 ₹9.44 same per wick
Thick (C2) / 50 ₹472.00 ₹9.44 same per wick
Thick (C2) / 100 ₹944.00 ₹9.44 production, by the month
Thick (C2) / 500 ₹4,720.00 ₹9.44 same per wick
Thick (C2) / 1,000 ₹9,440.00 ₹9.44 same per wick
C1 ₹5.90, C2 ₹9.44 a wick at every pack. Buy C1 20 — ₹118.00
2
fragrance oil · herbal · the lighter-note comparison
Lavender Fragrance Oil
Arm C: the same wick and load with a lighter, fresher oil, to tell heat-plus-your-oil from combustion itself. The page describes "fresh lavender top notes, herbal green mid notes, and soft musk base" and states "Recommended fragrance load 6-10% for candles"; 8% is inside it and inside CSI 464's "Up to 10%". In the text we captured, it states no cure time. Argued against our own interest: the 15 g sample (₹105.02) makes no 200 g candle at 8%, which needs 16 g; it is a cold-sniff sample, or one 150 g candle. Three test candles need 48 g, so the 50 g (₹270.00) is the right buy, with only 2 g to spare: weigh carefully. The 100 g costs exactly two 50 g packs (₹540.00), same per gram.
Size Price Per gram 200 g candles at 8% (16 g) Use
15 g ₹105.02 ₹7.00 none at 16 g a cold sniff, or 1 small 150 g candle
50 g ₹270.00 ₹5.40 3 arm C: 3 candles, 2 g left
100 g ₹540.00 ₹5.40 6 arm C with 52 g headroom
500 g ₹2,620.00 ₹5.24 31 only if lavender joins your range
1 kg ₹5,221.00 ₹5.22 62 only if lavender joins your range
₹86.40 of Lavender per test candle at the 50 g price. Buy 50 g — ₹270.00
3
tool · the load check
Candle Making Weighing Scale
A harsh, smoky burn with an oily surface is often a load problem, and a load problem is often a measuring problem: oil poured by eye, by spoon, or calculated on the wrong basis. Weigh oil and wax for every test candle. The page says it shows "grams or ounces"; in the text we captured, it states no capacity or resolution, so check it with a known weight and keep the same scale for the whole test. Limitation: for 16 g of oil you want a scale that reads in single grams or finer; confirm yours before you rely on it.
Listing Price Stock Use
Candle Making Weighing Scale ₹354.00 In stock weigh oil and wax for every candle
One scale for oil, wax and the before-and-after weigh. Buy — ₹354.00
4
wax · the ceiling you check against
Luxury Soy Wax CSI 464 (Flakes Form) For Container Candles
If your candle uses CSI 464, its page states "Fragrance Load Up to 10%" and "Pour Temperature 80°C – 90°C". The page does not say which basis the 10% uses; on the conservative reading (of wax weight), 10% of wax is 9.09% of total, so keeping your load at or below 9% of total (9.89% of wax) satisfies both readings. Ceilings are formulation limits, not regulatory ones, and never a target. Argued against our own interest: if your problem candles use another wax, keep that wax for the test and do not switch; use its own page's ceiling.
Size Price Per gram Scented 200 g candles (184 g wax)
500 g ₹260.00 ₹0.52 2
1 kg ₹507.40 ₹0.51 5
5 kg ₹2,537.00 ₹0.51 27
10 kg ₹5,074.00 ₹0.51 54
2 kg covers all 10 test candles with 144 g spare. Buy 1 kg — ₹507.40
5
tool · check 2 · the carbon cap
Candle Wick Cutter | Candle Wick Trimmer
A glowing carbon cap on a long wick is the commonest source of a smoky, burnt smell, and it has nothing to do with the oil. Cool the candle, lift the cap off, trim to 5–6 mm and relight in still air. One trimmer page says "Trim your wick to 1/4 inch before every burn" (about 6 mm). Argued against our own interest: scissors that reach cleanly do the same job; buy a cutter only if they don't.
Listing Price Stock Why
Candle Wick Cutter, 3 cm blade ₹177.00 In stock removes the carbon cap cleanly
Candle Wick Trimmer, debris catcher ₹588.82 In stock page: "Trim your wick to 1/4 inch before every burn"
The 3 cm cutter at ₹177.00 reaches most jars. Buy cutter — ₹177.00

Skip for now: the 15 g Lavender sample for the test itself (too small for a 200 g candle at 8%); a new "cleaner-burning" oil before the three-arm test points at your oil; and any 500-wick pack before full life passes. Why an oil can smell different lit than cold is covered in the formulation series: beautiful in cold wax, different once burning.

The CSI principle
A smell that arrives with the heat is the wick's. A smell that was there before the match is the formula's. Sniff on a clock and you'll know which.
For a large flame and a harsh burn: cold sniff, trim, load arithmetic, then three arms of three sniffed at 1 h and 3 h. From C2 the smaller wicks cost ₹118.00, Lavender 50 g ₹270.00.
"Don't ask whether the candle smells harsh. Ask when it starts."
— CandleMakingSuppliesIndia
Why trust this guide

CandleMakingSuppliesIndia sells the wicks, wax, oils and tools named here, not finished candles. This page still tells you to trim and redo your arithmetic before buying anything, that our 15 g sample is too small for this test, that our bigger wick packs cost no less per wick, and that we have no half-sizes between C1, C2 and Cotton Braided.

Every CSI price was checked on the live store on 7 October 2026, with stock checked per pack: the Eco C1 10-pack is out of stock and is not used, and every other item priced here is in stock on that date. Page wording is quoted and attributed, including the Eco wick page's "minimal soot or smoke", CSI 464's "Up to 10%" and Lavender's "6-10% for candles".

The 5–6 mm trim, the 2.5–5 cm flame band and the 1 cm wax floor are common rules of thumb. The descriptor table, the 0–3 harshness scale, the 1-point decision gaps, the 24 g example, 7 g/h, 80 candles a month and the 5% allowance are labelled examples or our judgement. Heat and combustion effects on scent are tendencies, not CSI test data. For bulk pricing, GST invoicing, and MSDS and IFRA documentation on request, message us on WhatsApp at +91 7397976926.

Frequently asked questions

Why does my candle smell burnt when it is lit?
Commonly a long or carbon-capped wick, a draught, or a wick too large for the jar, all of which make the flame burn less cleanly. Trim to 5–6 mm in still air first; if the burnt note still grows by hour three, test one wick size smaller.
Can a candle flame be too hot for the fragrance?
Plausibly: an oversized flame and deep pool can burn or alter some fragrance and add smoky notes. Test your wick against one size smaller with the same oil, sniffing at 1 hour and 3 hours.
Does too much fragrance oil make a candle smell bad?
It can: past what the wax holds, candles commonly sweat, sputter and smoke. Check your load on a total-weight basis against the lower of the wax and oil pages' stated maximum.
Is 12% fragrance load too much for soy wax?
For Luxury Soy Wax CSI 464, yes: its page states up to 10%. CSI 468 and Luxury Soy Wax Chunks state up to 13%, but 12% of total weight is 13.64% of wax weight, past that ceiling on a wax-weight reading. A maximum is not a target.
How do I know if the smell is the fragrance oil or the wick?
Burn your oil on your wick and on one size smaller, and a lighter oil on your wick. If the smaller wick is clean, it was the wick's heat; if your oil is harsh on both wicks and the lighter one isn't, it is the oil.
Can I test with a 15 g fragrance sample?
Only for a cold sniff or one small candle: a 200 g candle at 8% needs 16 g. For three test candles you need about 48 g, so a 50 g bottle.
Large flame · harsh smell while burning
Sniff on a clock: cold, 1 hour, 3 hours, with one CSI rung down and a Lavender control beside your candle.
From C2 the smaller wicks cost ₹118.00 and Lavender 50 g ₹270.00. If the clean wick won't reach the glass in your jar, tell us on WhatsApp, and we will say plainly what we stock between rungs, and what we don't.
Shop Eco Candle Wicks C1 / C2 Check stock on WhatsApp
Continue the read — my flame is too large
Editorial standards & sources
About this guide: part of CSI's cluster "Flame Is Too Large" (6901–6920) in the series on large flames, soot, smoke, mushrooming and wick purchase. It covers whether heat from a large flame can change a candle's scent character: descriptors and timing, a cause-ranking table, the load-basis check, a three-arm sniff test with a decision rule and an in-house approval rule, and a CSI buy list and production step.

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 — Dark Vanilla Fragrance, Eco Candle Wicks, Lavender Fragrance Oil, Roasted Coffee Fragrance, Woody Oud Fragrance Oil. They are general product reviews, not assessments of the burn and wick 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 — Priyanka Purohit, Judy Roy, Payal Patel, Anonymous, Subhankar Roy, Akanksha Sharma. Reviews below five stars are included as published, not filtered out.

Figures verified 7 October 2026, CSI live pricing: Eco Candle Wicks Thin (C1) 10 ₹59.00 (out of stock), 20 ₹118.00, 50 ₹295.00, 100 ₹590.00, 500 ₹2,950.00, 1,000 ₹5,900.00 (₹5.90 a wick); Thick (C2) 10 ₹94.40, 20 ₹188.80, 50 ₹472.00, 100 ₹944.00, 500 ₹4,720.00, 1,000 ₹9,440.00 (₹9.44 a wick); Lavender Fragrance Oil 15 g ₹105.02 (₹7.00/g), 50 g ₹270.00 (₹5.40/g), 100 g ₹540.00 (₹5.40/g), 500 g ₹2,620.00 (₹5.24/g), 1 kg ₹5,221.00 (₹5.22/g); Luxury Soy Wax CSI 464 500 g ₹260.00, 1 kg ₹507.40, 5 kg ₹2,537.00, 10 kg ₹5,074.00; Candle Making Weighing Scale ₹354.00; Candle Wick Cutter ₹177.00; Candle Wick Trimmer ₹588.82. Every item priced here is in stock on 7 October 2026 except where marked. Per unit = price ÷ wicks or grams, two decimals.

Non-price figures: "large flame" and "smells harsh while burning" are the reader's words (title). The 200 g test candle at 8% (16 g oil + 184 g wax, load as a percentage of total weight) is the series default, labelled. Wax and oil ceilings as their pages state them (CSI 464 up to 10%; CSI 468 and Luxury Soy Wax Chunks up to 13%; Lavender 6–10% for candles): formulation limits, not regulatory ones; the pages do not all state their basis. The 5–6 mm trim (one trimmer page says 1/4 inch), 2.5–5 cm flame band and 1 cm wax floor are common rules of thumb. The 24 g example, descriptor associations, 0–3 scale and decision gaps, 7 g/h, 80 candles a month and the 5% allowance are labelled examples. Costs are materials only and exclude labour, freight, packaging and GST. Christmas 25 December 2026 is a calendar fact.
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