SpaGuard Calcium Hardness Increaser

Item #: 42636BIO
$5.99

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Item Details

SpaGuard Calcium Hardness Increaser

Calcium Hardness Increaser raises calcium hardness in hot tub water. The desired calcium hardness level in hot tub water should be 100 to 200 ppm. Low calcium hardness, below 100 ppm could cause spa water to be corrosive which may damage spa surfaces and/or equipment.

Features:
  • Raises calcium hardness
  • Prevents corrosion of spa components
  • Granular Formula
Size:
  • 12 Ounces

Dosage Amounts:

  • Example; Add 4 Tbsp of this product in a 400 gallon spa to raise the calcium hardness by 25 ppm.
  • Read entire label before using. Complete dosage chart can be found on the bottle.

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