Homemade Economical Spray Starch - The Spruce
Tips For Using Homemade Spray Starch . For best results, shake well before each use. The starch will settle, and it needs to be remixed with each use. A little goes a long way, so use sparingly. If you get starch build-up on your iron, wet a cloth with white vinegar and iron it. This will refresh your iron.