Very apparent color change as the resin exhausts from a blue to a light gold/amber color

the permeate pump will also improve the life of your prefilters and booster pump

It turns ON when making water and OFF when not making water

The face has a 1

a 1/4" x 3/8" x 1/4" Union Tee

HURRICANE DUAL HOME REEF WATERSUPPLYCONNECTION Very apparent color change asHURRICANE DUAL HOME REEF 5 STAGE REEFKEEPER RODI SYSTEM DESCRIPTION Our HURRICANE Dual Home Reef RODI system is specifically designed to provide absolutely pure, lab grade RO DI water for your reef, while also supplying you with a constant flow of exceptionally purified RO drinking water. Nuclear grade resins and 99. 9% rejection rate membranes combine 5 heavy duty stages of filtration, making this RODI system built for hard city or well water.