Calgon Water Softener Powder is a laundry powder that comes in a 4lb/64oz box. It is a discontinued and hard-to-find loose powder that is designed to be used in washing machines. The product is manufactured in the United States and is white in color. It is a water softener that helps to remove hard water minerals from your laundry, leaving your clothes feeling soft and clean. Of any had been used, it's very little. Feels about full 3.6 pounds
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