Vintage 1970’s Amway Laundry Tri-Zyme Pre-soak & Detergent Booster Full 7LBS NOS For Sale
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Unopened 7lb box of vintage dated 1977, Amway Tri-zyme laundry detergent booster pre soak. It is in a plastic bag that it still sealed inside the box. I can feel that the powder is not hardened. Directions suggest to use 1/4 cup per load.