NightLight Posted March 21, 2019 Share Posted March 21, 2019 Do you guys go by vanillin content in fragrance oils to determine wicking up, or do you go by regular wick swapping testing. The candle fragrance companies some are good with vanillin content, others don’t list. I find it helpful to know if the product whether candle or whatnot is going to turn color, but with candles whether I need to go up a wick. Thoughts? Quote Link to comment Share on other sites More sharing options...
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