A fast-dissolving granular formula for increasing the calcium hardness in spa water. Available in a convenient 1 lb. size and in the EZ SPA CARE KIT.
- Balancer, water hardness increaser
- pH rating 8.3 - 8.4 at 20 deg C
- Solid white flakes
- Solubility 42 wt % (Anhydrous) at 68 deg F
- Specific gravity 1.5
- Chemical Family Inorganic calcium salts