A double boiler is nothing more than a big pot, with water, in which to put in your secondary melting pot. The water helps make a boiling water bath around your melting pot, which then allows your wax, or soap, to melt at a controlled rate, without overheating or scorching.
Three items are needed to create a double boiler:
- A large pot
- A rack to go in the bottom
- A melting pot
Get what you need here: Cierra's Candle Making Double Boiler.
We've made a video so you can see what these items look like, and how they are put together. The pot and the rack can be obtained from most box stores. To save even more money, go to your nearest Goodwill/Salvation Army/Second Hand store. You can usually find the items for a couple of bucks there.
Here is what to do: