Originally Posted by Willa
I soaked some of my grandma's in Oxy clean. I just let them set in a tub with that and water and would gently agitate them every so often by hand.Hung up to dry then ironed. I let soak all day just to be sure.
I also did this with some old blocks. They came out like they were new. One of my blocks also had a bad stain on it. Could not tell it now :D