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Clear Spa Cal (650g)

List price: $11.99  
Your discount: $5.00 (42%)
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Clear Spa Cal is used to raise the calcium hardness in spa and hot tub water. Low calcium can lead to corrosion. Calcium hardness should be maintained between 150-200 ppm.

Directions for use:

Clear Spa Cal (650g)

1. Clear Spa Cal should be pre-dissolved in water before application

2. Add solution to spa water with pump filter running

3. Add 90 g of Clear Spa Cal per 1,000 L of water to raise hardness 25 ppm.


  • 1 level tablespoon = 18 g
  • 1 level capful = 35 g

MSDS - Spa Cal (MSDS_-_Spa_Cal.pdf, 20 Kb) [Download]

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