I Changed from Untreated Cotton Wicks to Pre-Waxed Wicks — Should I Expect Exactly the Same Burn Behaviour?

What priming actually changes

A pre-waxed (primed) wick has been soaked in wax by its maker so that the braid is filled and coated before it reaches you. An untreated wick is bare cotton: it either gets primed by you, by dipping it in melted wax, or it primes itself during the pour and the first burn by soaking up the candle's own wax. Once a candle has burned for a while, both kinds of wick are running on the same fuel — your wax and fragrance — so the long-term burn depends mainly on the braid and fibre. The early part does not. Priming changes how stiff the wick is while the candle sets, which wax burns first when it is lit, and how quickly the flame settles.

So the honest expectation is: not exactly the same burn behaviour, but differences concentrated at the start — unless the new wick is also a different braid or fibre, which is common when you change from one product to another. A pre-waxed wick from a different maker is a new wick in every sense, not just a primed version of your old one. The table below separates the differences priming alone can cause from the ones that come with a different product.

What CSI publishes about its own wicks

Honesty first. CSI lists Cotton Braided Wicks Ready Made (₹12.00 each at every pack size), Eco Candle Wicks, Performance Wooden Wicks and a Braided Wick Roll of 100 tabs and 61 m of braid for ₹706.82. Whether any of these is primed, with what wax, and how the braid is built is not published in the data behind this guide. Check the product page, or ask us on WhatsApp — and if we cannot confirm it, treat the wick as unknown and let the test tell you. Do not assume a ready-made wick is primed because it is ready-made, or that a roll is unprimed because it is a roll.

That matters for the test design. If you are moving from cutting your own wicks off an untreated roll to buying ready-made pre-waxed wicks, you are changing three things at once: the priming, possibly the braid, and your own process (no more cutting, tabbing or dipping). The test below treats the whole thing as one wick change against your old wick as control. If you need to know which of the three caused a difference, you would need more groups — for most makers, the release decision is what matters, and one side-by-side answers it.

What stays valid and what you retest

The NEW line is a paperwork line, but it is real. If your old wicks were primed in your own workshop, every result you hold was measured on your priming — a wax you chose, a dip time that varied a little from batch to batch. Removing that step is a process change: update the work instruction, note the date on your batch records, and you have also removed a source of variation. The mixing-process post and the melter-scale post cover process changes of the same kind in other parts of candle making.

The six-candle test, weighted to the start

Scoring sheet

Acceptance is the same across this series: no worse than your approved control on every safety line, and within your jar supplier's guidance and the candle fire-safety standard you work to. CSI publishes no numeric flame-height or jar-temperature limit; ASTM F2417 is a commonly cited US standard, and we quote no numbers from it. A faster, cleaner start is a welcome improvement — it cannot offset a worse line later in the candle.

Roll and dip, or ready-made: the cost side

On CSI's listed prices, the Braided Wick Roll is ₹706.82 for 100 tabs and 61 m of braid — ₹7.07 per tab, with up to 61 cm of braid for each. Cotton Braided Wicks Ready Made are ₹12.00 each. The difference is ₹4.93 per wick, or ₹2,465.90 across an example 500-candle run. Against that, a roll means cutting, fitting tabs and, if you prime, dipping — your time. Whether the ready-made wick pays for itself depends on how long that takes you and what your time is worth. The table below shows the break-even in minutes per wick at example labour rates you should replace with your own.

Read it this way: if cutting, tabbing and priming one wick takes you longer than the break-even time at your rate, ready-made wicks are cheaper overall; if it takes less, the roll is. Most makers who prime by hand do it in batches, so time the whole batch and divide. This is a genuine cost question, but it comes second: the wick has to pass the test first. The ₹2-per-candle post shows how to set a per-candle saving against the one-off cost of testing.

The priced test kit

Six 200 g candles in Luxury Soy Wax CSI 464 with Citrus Lemon Fragrance Oil at 8% and a 5% pour-loss allowance (a labelled working assumption). The three control candles use your existing untreated wicks. If you have none left and your old wick came off CSI's roll, the roll line below covers it. Use your own production wax and oil if they differ.

Citrus Lemon is the cheapest oil per gram in CSI's collection at 50 g and above (₹3.00 a gram at 100 g), so it keeps the test inexpensive; if your production candle uses a different oil, test with that one instead. Labour, electricity and time are not included.

Releasing and recording

If the pre-waxed wick passes every line, release it with three records. The recipe card: replace "cotton wick, self-primed" with the full description of the new wick. The work instruction: remove the cutting, tabbing and dipping steps, add any change to how the wick is set, and date it. The change record: what changed, why, which SKUs, which results were KEEP and which REPEAT, test dates and sign-off. Keep ten of the new wicks and one finished candle from the first batch as retained samples; CSI does not publish lot numbers, so your own order date is the reference. The approved-specification post explains why "cotton wick" alone is not enough on a recipe card.

Related wick changes: if the pre-waxed product also looks slightly different, the same-length post shows the bench checks for braid and core; if its flame is larger, the bigger-flame post helps isolate why. The storage-testing post explains why a wick-only change rarely needs new storage tests, the full wick-change checklist lists every combustion line, and the emergency 1,000-candle post covers the minimum when time is short.

Frequently asked questions