You can take it out, (I did mine in the bathrub) cut off with a scolding knife, qtip a dab of bleach on the treated area, rebag it. I transferred mine to a produce bag, placed duct tape on the fold, and dissected a small hole for oysters to fruit from. You look at my block- it’s like it never had co... View MoreYou can take it out, (I did mine in the bathrub) cut off with a scolding knife, qtip a dab of bleach on the treated area, rebag it. I transferred mine to a produce bag, placed duct tape on the fold, and dissected a small hole for oysters to fruit from. You look at my block- it’s like it never had contam.