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Old 11-17-2013, 07:38 PM   #1
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RO/DI system

Guys I bought an RO/DI system and installed as it showed. Does everyone else`s work as slow as mine? Once I deplete the "holding tank" which can't be more than 3 or 4 gallons I have to wait literally hours before there's enough pressure to push more water through my system. Does anyone know of a way to get a continuous flow if filtered water or is it really just that slow of a process?
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Old 11-17-2013, 07:42 PM   #2
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I don't have a saltwater tank but I have one of those filter things and it was proffesionaly installed and is that slow but I don't know if you can speed it up
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Old 11-17-2013, 07:51 PM   #3
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Right!? Its seriously making me crazy I've been "brewing" a 55 gal brute trash can for almost 3 days just so I can do a large water change I just can't believe there is no way to speed it up
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Old 11-17-2013, 07:53 PM   #4
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It depends on how many gpd your filter can produce and the psi of your water flow. I have a 100gpd system that now fills a 5 gallon jug in a little over an hour/ hour and half. There is no way to speed it up unless you boost your input flow with a booster, but you are then restricted by how much psi your system can handle. To much flow into your system will destroy it.
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Old 11-17-2013, 08:04 PM   #5
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Quote:
Originally Posted by TheCommunityCichlid View Post
It depends on how many gpd your filter can produce and the psi of your water flow. I have a 100gpd system that now fills a 5 gallon jug in a little over an hour/ hour and half. There is no way to speed it up unless you boost your input flow with a booster, but you are then restricted by how much psi your system can handle. To much flow into your system will destroy it.
+1. I have a 75 gpd unit and it can fill the 30g storage container overnight. theres really no reason it should take 3 days to fill a 55g brute can. either 1) you need higher pressure (either open up the water supply further or buy a booster pump) or 2) somethings clogged up
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Old 11-17-2013, 08:13 PM   #6
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I have a 150gpd setup and it takes maybe 5 hours to fill a 32g can. Can you measure the water pressure? i get 65psi without a booster pump.
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Old 11-17-2013, 08:16 PM   #7
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Thanks huma I will look into a booster pump. I bought the unit used but its like new and he gave me a box full of replacement filters he had bought for it. He claimed he had just recently changed all the filters should I go ahead and change all of them in case their clogged? And would a booster pump damage the unit? I don't see a rating of any kind on it.
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Old 11-17-2013, 08:17 PM   #8
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Do you know what unit it is?
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Old 11-17-2013, 08:18 PM   #9
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Carey how do I measure the flow/psi? Its hooked right into my main water line but the hoses it uses are tiny. I do not know the brand sorry.
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Old 11-17-2013, 08:22 PM   #10
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Ahh ok. You can find out the gpd from the membrane inside the housing, just take it out and read what it says. That should give you at least an idea of what the unit is capable of.
I have a psi meter built into my ro/di so I can see when the pressure drops from clogged filters. i also have mine hooked up to a garden hose spigot which might explain the high water pressure I have. Not sure if you can buy a handheld meter, probably.
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