BioGuard Balance Pak 300 - 12 lb bromine start-up and refill care

start-up and refill care

equipment corrosion

or other spa sanitizer formats

sparkling water in spas and hot tubs

the chlorine cartridge is ready to be replaced

BioGuard Balance Pak 300 - 12 lb bromine start-up and refill careBioGuard 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