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#2
05-30-2004, 06:58 AM
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I use RO/DI and always have. Since I don't have anything to compare it against, I can't comment on how it affects the tank. I do know that the water I add to my tank is only H2O and nothing else, so that's good.
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Brad 
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#3
05-30-2004, 07:12 AM
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A long time ago I couldn't keep diatoms off my sandbed untill I bought my RO/DI unit.
Since then my tanks have always been healthy and algae free. I wouldn't run a tank without one. I think it's really important to have for purified make-up water. Pure H2O leaves during evaporation so it's leaving all the impurities behind which must build up overtime. It's good to have pure water for waterchanges too!
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#5
05-30-2004, 08:21 AM
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Bought an RO/DI unit, haven't set up my reef yet.
TDS is 12 ppm straight from my tap, wondering if tap water would have been OK.
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#6
05-30-2004, 03:56 PM
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Quote:
my average PPM is 12 to 17 in my tap water, 0 from my RO and I did notice a difference from when I was using filtered tap water instead of RO water. Steve
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 *everything said above is just my opinion, and may or may not reflect the views of this BBS, its Operators, and its Members. If cornered on any “opinion” I post I will totally deny having ever said this in a Court of Law…Unless I am the right one*Some strive to be perfect.... I just strive.
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#7
05-30-2004, 09:34 PM
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Hey......
When I first started my reef tank I used strait tap water.....  My tank was a mess. TDS aprox. 160. Then and now and forever I am using RO/DI in tank and piped to fridge for the family.....everthing is great tank took awhile to clear up but did......now diatoms are comming back havent checked TDS (will tonight) time to change filters imthinking  OH yes....with filter running mt TDS is 1  Richard
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