Teach Soap

Hello I made a batch of soy candles last night using Ecosoya Advanced and essential oils for scent. I've made these candles before with the same scent and in the same jars and this morning I noticed large cracks half way down the jar. It is colder and damper this time of year where I live on Vancouver Island. I follow the instructions of Ecosoya to a T and haven't had a problem like this before. I'm using glass jars adding colour at 155 and scent at 135 and pouring at 130 per the instructions of Ecosoya. Can I just put these jars in a pot of boiling water to melt them down and let them set again. What is causing this?

It's the cooler temps that are causing this. The candles are cooling off too fast. If you have one of those styrofoam coolers, put the candles in there, so they cool off slowly. You can try using a heat gun to melt the top layer and fill in the cracks.

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Irena
Closed minds are like faulty parachutes; they refuse to open.

Irena,

Thanks I tried the heat gun to no avail as the cracks were too deep. Put them in a pot of hot water and let them completely melt down. This only worked for a few as the then the bottom of the wick lifted off the jar so ended up just pouring the rest into a pot and letting it heat on low and washed all the containers and rewicked them again. Also did this upstairs where it's warmer hoping that will help.

I had that problem too when all the wax melted and the wicks lifted up. I hope by leaving them upstairs where it's warmer helps.

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Irena
Closed minds are like faulty parachutes; they refuse to open.

Try pre-heating your glass in the oven before you pour in the wax. I set the over to 170* F, heat the jars for 15 minutes, pour my candles, then set the filled jars back into the oven and turn it off. They cool slowly and rarely get cracks or bubbles. You can also add in 2-5% coconut oil to reduce the cracks, as they are super common with soy wax!

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~~Heather~~
Mad [soaping] Scientist

Hestey,

Thanks for the tip, will try that.