BioGuard Balance Pak 300 - 7 lb pool treatment chemicals and never mix these tablets

and never mix these tablets with other chemicals in a feeder

Helps reduce weekly algae treatments: Long-lasting formula supports a simpler maintenance routine

always confirm that chlorine or bromine levels are within the product label’s recommended range

while the Bac Pac replacement cartridges offer steady chlorine dosing for sparkling results

For compatible in-line systems: Made for select hot tubs with the built-in FROG @ease In-Line System

BioGuard Balance Pak 300 - 7 lb pool treatment chemicals and never mix these tabletsBioGuard Balance Pak 300 7 lb Calcium Hardness Increaser for Protecting Pool Equipment and Surfaces BioGuard Balance Pak 300 is a calcium hardness increaser designed to raise low calcium hardness levels in swimming pool water. This 7 lb size is a practical option for correcting hardness levels and helping protect pool equipment, plaster, liners, and surfaces from damage caused by water that is too soft. When calcium hardness is too low, pool water can