Raises water hardness level while preventing foaming and equipment corrosion. Convenient solution eliminates the need to pre-dissolve crystals. Water low in calcium will corrode equipment. Maintaining proper hardness levels will extend the life of your spa. Compatible with chlorine, bromine, ozone and biguanide sanitizers. Applications: As Needed: One ounce raises the calcium hardness 7 ppm in 500 gallons of water. 1) Determine amount of product to be added. The ideal hardness level is 150-400 ppm. 2) Turn jets ON to circulate spa water. 3) Pour required amount into the water. 4) Run filter for 1 to 2 hours. 5) Retest water to ensure proper level. 6) Repeat steps 1-5 until proper level is obtained. Compatible With: Chlorine, bromine, ozone and biguanide sanitizers.

• Compatible with chlorine, bromine, ozone and biguanide sanitizers
• One ounce increases hardness 7 ppm in 500 gallons of water
• Prevents corrosion
• 1 Quart

Shipping Note: Shipping to Alaska, Hawaii, PO Boxes and APO addresses not available for this item

Warranty: 90 Day Woot Limited Warranty