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Calcium Boost  1 Quart


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Lowers pH

Raises water hardness level while preventing foaming and equipment corrosion.


  • Increases Water Hardness
  • Helps Prevent Corrosion

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.

Use Leisure Time Spa & Hot Tub Test Strips to determine hardness level. Water low in calcium will etch plaster and corrode equipment.

Compatible With:
Chlorine, bromine and biguanide sanitizers.

Use as part of the Simple Spa Care® Program

Calcium Boost 1 Quart

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