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Old 03-01-2013, 07:22 PM   #1
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RO Unit

Anyone know how an ro unit will work off a well? I dont want to drain my well to fill my tank and have muddy water. Also I dont want to not be able to shower for a couple days. If anyone can tell me advice that would be awesome. Its a 75 gallon tank with a 20 gal sump by the way.
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Old 03-03-2013, 11:41 AM   #2
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For that size tank, I don't think you have anything to worry about. These systems are usually operating at about a 3:1 rejection rate so you aren't talking about hundreds of gallons of water (once you complete the initial fill). If you do a 10-20% water change every few weeks you are talking about 20 gallons of water to make, or 60-80 gallons total. That is like taking a 10-15 minute shower. You just may have to change your prefilters a little more often so you aren't bombarding the RO membrane with hard water.

My parents have ran an RO system for drinking water off of their well for 20+ years. It has never been an issue.
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Old 03-03-2013, 11:48 AM   #3
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Awesome. Thanks for the info. I really appreciate it.
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Old 03-03-2013, 11:53 AM   #4
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Old 03-03-2013, 02:16 PM   #5
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What rodi system would you reccommend buying? And would I need something more than 75 gpd?
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Old 03-03-2013, 02:35 PM   #6
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Well, if you go with a 150 gpd, the rejection rate is slightly less - though obviously the upfront cost is more.

I use the Bulk Reef Supply 5 Stage Plus system, and I love it.

BRS 5 Stage PLUS RO/DI System - 75GPD - Bulk Reef Supply

If you get it on Group Buy from BRS, I think it is actually around $175.
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Old 03-03-2013, 02:40 PM   #7
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Im so happy you showed me this one. Ive been looking at this for months now and im glad to see other people use it. I just want to get the one with the 150 gpd upgrade so the waste is less and I conserve some well water.
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Old 03-03-2013, 02:43 PM   #8
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Lots of folks use the BRS systems here, and I have never seen a negative comment or review that I can recall.

Several folks also use the eBay systems, and while some have been happy with them, I have also seen a lot of people buy a BRS system and upgrade AFTER using the eBay system, and be happy they did.

I believe adding the extra membrane to get to the 150gpd system actually reduces the rejection by half. Only caution here - the dual membrane 150gpd systems require really good water pressure to work effectively. If your pressure is low, you may have to add a booster pump to get it to work.
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Old 03-03-2013, 03:10 PM   #9
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Gotcha. Thanks for the info. Also how could I tell how much pressure it is coming out of the tap?
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Old 03-03-2013, 03:24 PM   #10
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A gauge. The plus systems come with one and you will definitely want one.
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