After several go-rounds (each with "You're absolutely right..."), Claude.ai came up with these steps using oxygen bleach, enzyme detergent, baking soda, and vinegar. Claude previously suggested borax and chlorine bleach, but then changed its tiny mind. I bought OxiClean White Revive powder (supposedly enzymes, borax, and oxygen bleach) Consumer Reports' recommended Tide + Ultra Clean blah blah liquid detergent.
- Make OxiClean paste (powder + small amount of water)
- Rub into stains, let sit 1 hour