I agree with DirtyReefer. TDS is about 17, and on 3 start ups in my aquarist Career , all have lead to hair algea and or cyno when I used tap water. RODI I had vertually none.
I guess it just depends on your tolerence level for algae.
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97 Gallon Cube
Last edited by Snoop Dog; 03-07-2006 at 03:51 AM.
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