I'm having a bit of trouble uploading the pic of the candle I mentioned. So, I just went to read on another thread about uploading photos. I'm using photobucket, so I'm going to try again, but I'm not sure if it's going to work.
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Okay, it worked!! Anyway, you can see I've got four little wicks in there.
I'd like to say that using multiple wicks should be done with extreme caution & always test burn.
As a guideline, for instance, in this case, the 2/0 wicks in soy burn in about a 2+" diameter, so if you envision a 2+" circle with each wick as the center point, the circles (melt pools) would overlap, but not over extend outside of the candle.
It can be tricky and I see far too many examples of people using multiple wicks that look very dangerous to me, which is why I avoid them, but in the case of this candle design, I couldn't get it to burn right without using more than one wick, as it's a shallow candle and I didn't want it to be a torch with a huge wick.