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Review on Dow TW30 100HR Rejection Replacement 1812 by David Ross

Revainrating 5 out of 5

High Flow Reverse Osmosis Membrane

I replaced a 50GPD RO membrane with a 100GPD membrane to produce RO water faster and give my well pump a break. I have a Grundfos demand pump that delivers water according to intake. Every morning we use over a gallon of reverse osmosis water to brew coffee and fill water bottles. A 50 gal/d reverse osmosis membrane causes the well pump to cycle on and off every minute for about an hour. A 100 GPD membrane reduces the pump cycle to about 1/2 hour. Great water and quick recovery. (Requires new flow restrictor update).

Pros
  • Replacement Water Filter
Cons
  • Not sure