GLB Calcium Hardness Up Type_Grilling Tools For filters without recirculate position:

For filters without recirculate position: backwash

11 WC (28 mbar) Regulator with Gas Hose

or rust-colored staining that hard water can leave on acrylic shells

Weight: 76 lbs / 35 kgs

High carbon stainless steel for years of trouble-free performance

GLB Calcium Hardness Up Type_Grilling Tools For filters without recirculate position:GLB Calcium Hardness Up Overview GLB Calcium Hardness Up increases water hardness to prevent foaming, equipment corrosion, and scaling. Keeping your pool water balanced is an important step in getting the most out of and preserving the life of pool equipment. This product is easy to apply, just pour it directly into the pool. This product is compatible with chlorine, bromine, ozone, salt water pools, and biguanide sanitizers. Whats in the Box 1 x GLB