Calgon Water Softener powder is primarily available through and specialty craft retailers , as it has been largely discontinued in major retail stores. Where to Buy Online

: Similar to eBay, individual sellers list discontinued 40 oz boxes here, often priced around $50.

Some sellers on eBay offer the European version (2 x 500g), which focuses on protecting washing machines from limescale and odors. Calgon Water Softener 40 oz

The classic laundry and dishwasher booster designed to remove minerals and residues from hard water. Calgon Water Softener for Natural Dyeing (100g) Go to product viewer dialog for this item.