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Old 10-15-2006, 03:15 AM   #1
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RO/DI unit???

I am considering getting one of this now since I have built up a new 132g tank. Previously I only bought DI water for my 20g. I have been keeping this 20g tank without any algae problem at all. I wish I continuing buying and using it but it will cost too much for my 132g in the long run.

I have a question: Must it have both RO and DI unit? Or just RO or just DI unit? I seemed to have problem finding only DI unit but there are abundant of RO unit. Is there any system that have both RO and DI in them?

Thanks.
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Old 10-15-2006, 03:37 AM   #2
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There are an abundance of RO/DI units available. Most will probobly tell you to go no less than 4 filters. 5 and 6 stage are the way to go.

I've been looking into them myself and will get one when I get some more money...Depending what is in your water, they can have a huge impact on the success of your aquarium. As I am finding out myself.

Here is one on ebay, a pretty good one from the looks of it. Just do a search for "RO/DI"

http://cgi.ebay.com/WaterGeneral-RO6...QQcmdZViewItem
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Old 10-15-2006, 08:49 AM   #3
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I have that exact unit under my sink right now.

The discharge water tests at 0 TDS (65/70 going in).Good solid product at a good price imo.
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Old 10-15-2006, 10:28 AM   #4
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Old 10-15-2006, 05:40 PM   #5
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I have that same unit too.

I've probably processed about 600 g of water, and I've had to order replacement DI resin, but its cheap... $18 for enough for 3 refills.

That's a good seller, too, very helpful.
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