Zero Phos Tab maintaining your water quality while

maintaining your water quality while reducing chlorine requirements

Softens spa water

Bottom Endcap: 45mm Female Thread

Top Endcap: 102mm hole

Zero Phos Tab maintaining your water quality whileBioGuard Zero Phos Tab is a stabilised formulation of complementary ingredients, carefully developed for optimal performance. The tablet binds phosphates, forming insoluble molecules that are then filtered out and backwashed to waste. Remove the phosphates and minimise pool challenges. High phosphate levels are a pools worst nightmare, as algae blooms rapidly spawn. Rapid dissolution of active ingredient for fast removal of phosphates Works with all