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Old 07-19-2009, 01:40 PM   #1
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RO unit, is it good for me?

Aquarium Water Quality: Pure-Flo II RO Units


Is this a good RO unit for me? The guy at my marine store highly recommended I get an RO unit because of my phosphate problems. Will this one take the phosphates out? I really don't have alot of money to work with at the moment, so if this will work for me this would be great. I'm also very new to RO units so I really don't know much about them.

What do you have to change out? Are there any costly filters to change in it?

Steve
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Old 07-19-2009, 02:05 PM   #2
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I would go up one step and get an RO/DI unit. This is the one I have.

Reverse Osmosis Aquarium Water Quality: Maxxima RO/DI Units

You can get them much cheaper on Ebay.
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Old 07-19-2009, 02:23 PM   #3
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Wait so the one I have a link of up on my post isn't an RO-Di unit? What does the DI mean? Does that mean the one I have a link of up won't take phosphates out?

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Old 07-19-2009, 02:39 PM   #4
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RO is reverse osmosis. De-ionization is a seperate stage that is optional, runs last after the RO process is completed. De-ionization is the process of removing mineral ions. Deionization is a physical process which uses specially-manufactured ion exchange resins which bind to and filter out the mineral salts from water. It's highly recommended to really get pure, clean water for your SW tank.

Like Mike stated, you can get cheaper units on Ebay that include the DI stage. I'd look there first.
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Old 07-19-2009, 03:48 PM   #5
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Aquarium Reef RO DI Reverse Osmosis Filtration System - eBay (item 120447872020 end time Jul-20-09 19:52:13 PDT)

How about this one?

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Old 07-19-2009, 03:53 PM   #6
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Looks pretty good to me.
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Old 07-19-2009, 03:55 PM   #7
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Now what's all involved with changing out parts and filters? Is it costly? how many filters and things are there? Btw I appreciate your help!

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Old 07-19-2009, 04:19 PM   #8
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That one looks like it has 3 prefilters that need changing every 6 months and the two resin chambers for the DI part that need changing about 6-12 months and a RO membrane that needs changing 1-2 yrs. A TDS meter will let you know exactly when to change on the membrane.
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Old 07-19-2009, 04:37 PM   #9
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PureFlo 2 50GPD RO/DI Water Purification: Aquarium Supplies - Aqua Buys

I think this one might be a bit easier for me seeing as this will be my first RO-Di unit. I've also had really good luck with corallife stuff and seeing as this one is a DI unit I think this unit will work out well, what do you say?

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