Home / Chemicals / Pool / Chlorine/Bromine / 50lb bag of Calcium Chloride You cannot add "7.5lb Alkalinity Up" to the cart because the product is out of stock. $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 Sale! 20.6lb NST (Cal Hypo / Non Stabilized Tablet) $139.99 $118.99 Add to cart Pool Magic + Phos Free $35.99 Add to cart Sale! 35lb Instant Clear Chlorine Granules $321.99 $281.99 Add to cart Sale! 5lb Turbo Shock $42.99 $36.99 Add to cart