There are many reasons why these bubbles pop up. Know that you will need to have a way to get rid of these bubbles once you have cast the resin.
Tag: bubbles

How To Get Bubbles Out Of Resin With Heat GunHow To Get Bubbles Out Of Resin With Heat Gun
A good way to force them to pop is to use a heat gun, lighter, or a propane/butane torch run lightly above the surface. We find that the heat and