As you may noticed, the candle you've just made has loose wax granules. This is not a problem if you plan to burn it in the place where you made it, but what if you plan to give it, sell it, or otherwise to transport it.
The solution is to seal at the top. This is actually the hardest part although depending on the technique choosen it is still not to difficult. There are three common top sealing methods which will be covered in detail in this site.
1. Plastic warp
2. Torching
3. Pouring
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