Quote:
Originally Posted by hillegom
TDS total dissolved solids.
I would venture that phosphate is dissolved in the water and would show up on the TDS meter.
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i concur, that is why we have DI (de-mineralization by Ionization) If you measure PO4 in zero TDS water you will not get a reading. That's the whole point of having RO/DI.
Tap water is 17 PPM of TDS here in Port Moody zero after RO/DI.