How Do I Know If It Is Time For A New Membrane?
A TDS reader is used to test the effectiveness of the membrane filter and ensures you get the longest life out of your membrane by eliminating premature changes. Simply test both your RO water and your Tap water for TDS levels and put them in the TDS calculator to see how effective your system is running. We do all the calculations for you. Just go here and follow the instructions on where to enter your TDS levels for RO and Tap water.