Min Tank Volume
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gallons
Installation Tips
Inlet/Outlet: Water enters at the bottom and exits at the top for maximum contact time (plug-flow design).
Multiple tanks: For larger volumes, use two or more tanks in series rather than one oversized tank — this ensures more uniform contact time.
Pipe sizing: Connect with same size piping as your main line. Don't restrict flow at the tank connections.
Formula: Tank volume (gallons) = Flow rate (GPM) × Contact time (minutes). In practice, you need about 25% more volume than calculated because tanks aren't 100% efficient at plug flow — water can short-circuit through the tank.