Home / Chemicals / Pool / Chlorine/Bromine / 50lb bag of Calcium Chloride View cart “1lb Bag of NST Purify” has been added to your cart. $59.99 50lb bag of Calcium Chloride quantity Add to cart SKU: AAA-8650 Categories: Chemicals, Chlorine Free, Chlorine/Bromine, Clarifiers/Maintenance, Pool Product ID: 2221 Description Description Used to increase the Calcium Hardness level in the pool water. Related products 1lb Bag of NST Purify $14.99 Add to cart Sirona Chlorine/Bromine Spa Test Strips – 25 Count $15.99 Add to cart Sale! 5lb Turbo Shock $42.99 $36.99 Add to cart 1lb Bag of Non-Chlorine Oxidizer $12.99 Add to cart