candle issues

Greetings everyone, I am working on candles for few years now and i still have some problems with air pockets in candles. This happens over time, a week or so, when they cool down. Its filled with vegetable oil in plastic containers. Is the problem with cooling or with material, i dont know and...

I’ve looked just about everywhere for why this might be happening and I cannot for the life of me find an answer. Please help !! So, I’ve been having a weird issue with my candles. I just started making them a couple months ago and I’ve only just now started actually burning the “successful”...

I've noticed this happening with my scented soy candles. They look perfect initially but after a few weeks this weird ring seems to appear around the edge of the candles. Does anyone know why that is or how to prevent it from happening?