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Old 02-03-2017, 08:43 AM   #1
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Question Which is Better: 3 Stage RO or a 6 Stage RO System?

I'm finally able to put in my RO unit in my new place. I am putting in a small RO unit and I am trying to figure out if a 3 stage or a 6 stage filtration RO unit would be more beneficial for my tank. Any ideas? What do you use for RO units?

My tank is a 34 gallon saltwater with fish and corals (both soft and hard) as well as snails and shrimp!

A day without fish, is like a day without sunshine
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Old 02-03-2017, 10:08 AM   #2
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A 6 stage RO is better than a 3 stage. There are more filters and thus more is taken out. However you really want a RODI unit over just an RO unit. The de ionization membrane really takes out a bunch of crap. You'll also want it to have a TDS meter
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