Master Clear Calcium Hardness Up – 20 lb. – Powdered calcium hardness increaser
Raises the Calcium Hardness level in your spa or pool water. The ideal total hardness level in your spa or pool should be between 200 & 400 ppm. Calcium Hardness Up is a powdered form of calcium chloride designed to raise the calcium content of your water. Water hardness will also decrease brittle plumbing & jets, increasing the life of your spa.
Equivalent to: Leisure Time Calcium Booster or Baquacil Calcium Hardness Increaser