You can keep in 'fridge for a bit, but they will sour.
This is for the starch made from the box product. Sta-Flo will keep longer, it's pasturized.
Originally Posted by VickyS
I tried our local Joann's and our box store pharmacy, no luck. Do the homemade recipes with Corn Starch mold after awhile?
Since I'm slow about getting my projects done to be washed, I'd hate to use a biodegradable product if it's going to degrade before I get the project done! Some of the recipes caution to dispose of the unused starch after a couple of days.