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Originally Posted by Bob I
I changed all of the filters in my RO unit, including the RO membrane, and the TDS are still near 100. The TDS are 0-8 coming directly out of the RO membrane housing, 50 going into the tank, and 98 when the water comes out of the faucet. I can't figure out where the water is getting the TDS in between the membrane and the faucet. Any ideas would be appreciated. Thanks
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how accurate is your tds meter?
if it is a dual tds ...i would calibrate both readings