APi EZ Spa Cal - 1lb

APi EZ Spa Cal : 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
  
• Odorless
  
• 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