high tds

  1. Schraufabagel

    Tap water TDS 550, how many RODI stages should I use?

    I currently have a 4 stage filter for my tap water that is 550 TDS. I run through DI resin in about every 2 months for my 25 gallon tank. My tap water is not treated with chloramines. My filter does manage to remove everything so my output is 0 TDS. Lastly, I use the RODI buddy booster pump...
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