I use ARGO powdered starch, cook up 1/4 c in the microwave for a load of fabric (water set on low/warm), in the rinse water. It makes a medium starch concentrate. [I]My recipe: start with 1/4c starch in 1c water and stir till dissolved. add 2c water and microwave for 5 minutes stirring (I use a whip) at every minute. starch should be translucent and bubbly. mix in another cup of cool water and mix thoroughly. Pour into warm rinse water, add prewashed fabric, agitate and spin out on low. Line or dryer dry till just slightly damp. Press while damp. Spritz with water to reactivate the starch whenever needed. A box of starch costs