Saltwater_Biker
New member
Next month will be 1 year of use from my BRS RODI 5 stage unit. The pressure still reads 65 psi, 1 tds from membrane to DI and 0 tds output. I tested the water out of the unit to have phosphates but no nitrates.
Even though my tds is 0, should I trust the API test kit for phosphates or just change them out anyways?
Even though my tds is 0, should I trust the API test kit for phosphates or just change them out anyways?