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2-Inch Inlet/Outlet: standard plumbing compatibility for quick upgrades
With its focused formulation
with each pad changing color to indicate exact levels
and reinsert easily without special tools
Natural Chemistry Phosfree 1 inch 2-Inch Inlet/Outlet: standard plumbing compatibilityNatural Chemistry's Phosfree enables pool owners to drop phosphate levels in your pool to almost nothing. Phosfree is unconditionally guaranteed by Natural Chemistry to prevent future phosphate build up. This treatment will improve filter performance and reduce overall pool maintenance, yet accomplishes these things without resorting to the usage of harsh chemicals, remaining 100% non toxic.
