BioGuard Balance Pak 300 - 12 lb bromine The FROG TruDose Cap is

The FROG TruDose Cap is a built-in measuring cap designed to help make chemical dosing easier and more accurate

start-up and refill care

sparkling water in spas and hot tubs

or algae-prone water during the swim season

BioGuard Balance Pak 300 - 12 lb bromine The FROG TruDose Cap isBioGuard Balance Pak 300 12 lb Calcium Hardness Increaser for Stronger Pool Water Balance BioGuard Balance Pak 300 is a calcium hardness increaser designed to raise low calcium hardness levels in swimming pool water. This 12 lb size is a strong choice for pool owners who need a larger supply for seasonal balancing, fresh fill adjustments, or ongoing correction of soft pool water. Low calcium hardness can make pool water aggressive, which may