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the A&B Metal-Back Algae Brush combines a rigid metal backing with tough stainless steel bristles to power through algae
100% sodium bicarbonate active ingredient for accurate TA increases and consistent results without unwanted additives
Sealed mineral cartridge: mineral media stays protected inside the vessel
and micro-debris
Zodiac FRV100 Flow Regulator Valve For Pool Filtration Systems PI2000 the A&B Metal-Back Algae BrushZodiac FRV100 Flow Regulator Valve for Pool Filtration Systems Intro Introducing the Zodiac FRV100 Flow Regulator Valve, designed to optimize pool filtration by regulating water flow through your system. This inline valve delivers steady pressure, reduces pump stress, and helps maintain filtration efficiency, even as pool conditions change. Built for easy retrofit with Zodiac filtration components, it fits standard plumbing layouts and simplifies