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Old 12-25-2009, 04:21 PM   #1
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new rodi

I just got an rodi unit and im a little confused on the waste line. How much do i let that flow? Im getting a TON of waste and its gonna kill my water bill. I was wondering how much do i restrict the flow becasue theres a valve but the instructions say nothing.
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Old 12-25-2009, 04:30 PM   #2
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Old 12-25-2009, 04:34 PM   #3
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Yes it will have some wastewater but that can be re used if you want to. You can run that in the washing machine and use it there or you can run it out to a flower garden or the grass as I do. You`ll have more wastewater than good water but it will be worth it all.
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Old 12-25-2009, 04:47 PM   #4
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How much waste should i have. I have a 75 gpd unit and i seem to be getting a gallon of waste a minute. My good water has been about a gallon every half hour or so. Is it really a 30:1 ratio? or should i tighten my waste valve more?
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Old 12-25-2009, 05:09 PM   #5
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Mine is about 3 or 4 to 1. 30 to 1 is quite high. But it will depend on your water quality also.
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Old 12-25-2009, 05:13 PM   #6
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I just know if i tighten it the waste will slow but i dont know if that will mess up it. Another question. Is it safe to drink? I tasted it a little just out of curiousity however i read some places it can really hurt you.
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Old 12-25-2009, 05:48 PM   #7
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Reverse Osmosis/Deionization Systems to Purify Tap Water for Reef Aquaria by Randy Holmes-Farley - Reefkeeping.com

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Old 12-25-2009, 06:12 PM   #8
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Thanks. That was very informative. However it didnt say anything about why i am getting soo much waste...Did anyone ever have this huge of a ratio problem before? Or is my setup wrong?
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Old 12-25-2009, 07:13 PM   #9
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I believe that it depends on the unit. Some will have as much as a 99g waste to 1g output water. As Mike stated it depends on your water Q. and also your water pressure. I run my waste into my washing machine.
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Old 12-25-2009, 08:04 PM   #10
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Ah. that really sucks. I have a valve on the waste line. Why can I control the output to the waste? It seems letting less waste output doesn't effect anything other than it lets less water be wasted. Im kind of confused of why this valve is even there if its always supposed to be open.
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