FreshWater Clean Screen Pre-Filter Brand_FreshWater Heat & Glo / Quadra-Fire

Heat & Glo / Quadra-Fire / Heatilator

You still need chlorine or MPS for oxidation (more on that below)

predictable sanitizer matters more than in any other recreational water environment

Water softener salt and rock salt often contain impurities

FreshWater Clean Screen Pre-Filter Brand_FreshWater Heat & Glo / Quadra-FireThe FreshWater Clean Screen Pre Filter attaches to your garden hose and filters out organic contaminants, metals, and sediment before water enters your spa. Best maintenance choice you can make for water quality is one most owners overlook entirely: starting with the cleanest possible fill water means less work managing chemistry afterward. Fill water whether from municipal supplies or private wells almost never comes out of the hose perfectly clean.