: This is the most common source for both new and "vintage" stock. You can find various sizes, such as the 40 oz or 64 oz boxes, with prices typically ranging from $25 to $50 depending on the seller and quantity.
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 calgon powder water softener where to buy
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. : This is the most common source for
: Often carries individual boxes of the "Fresh Scent" powdered variety, sometimes at competitive prices like $16. Calgon Water Softener 40 oz The classic laundry
: Specifically useful if you are looking for small quantities (e.g., 100g) for specialized uses like natural dyeing. Product Varieties
