Originally Posted by Prism99

It is not necessary to boil the starch mixture if you are going to use all of it right away. Boiling will help preserve it, though, if you are saving some in the frig for later. I have noticed that once I mix Sta-Flo with water, the mixture will develop mold if I leave it out. Refrigerating it retards the spoiling, but boiling before refrigerating would help even more.