BioGuard Balance Pak 300 - 12 lb bromine Compatible with common spa systems:

Compatible with common spa systems: Suitable for chlorinated or brominated spas and systems using ozone or ionization

not instead of one

Spa and hot tub filters should be cleaned every 4 to 6 weeks using SpaGuard Filter Cleaner

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

helping protect surfaces

BioGuard Balance Pak 300 - 12 lb bromine Compatible with common spa systems:BioGuard 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