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Dom08
Member
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# Posted: 19 Jul 2022 05:50pm
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Hello all,
I am in the middle of setting up my water system with pumping Lake water. I had a quick question in regards to the layout for the UV light and three 20 inch canisters I have.
I have a UV light and also three 20x4-in canisters. My thoughts for these canisters was to have two sediment filters and a carbon filter. This would then go into a UV light and supply the house. Should the UV light be the first thing that the water will flow through prior to going into the filters? Also what size of micron should be sediment filters be?
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FishHog
Member
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# Posted: 19 Jul 2022 06:01pm
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Uv should be last. Too much particulate can reduce its efficiency.
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ICC
Member
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# Posted: 19 Jul 2022 06:50pm - Edited by: ICC
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Quoting: FishHog Uv should be last.
Yes
25 microns may be a good place to start. Much smaller may clog is too short a time.
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Dom08
Member
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# Posted: 19 Jul 2022 08:15pm
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My supplier recommended a 50 and a 5 micron... I feel thats too big of a drop.
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spencerin
Member
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# Posted: 20 Jul 2022 12:10am
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Yes, UV light should be last, and 25 microns is a good place to start.
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Dom08
Member
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# Posted: 20 Jul 2022 01:32am
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Should i do one 25 micron one go down to a 5 micron and to the uv light? Wouldn't you want to filter out any living organisms that the uv light kills off?
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Brettny
Member
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# Posted: 20 Jul 2022 06:18am
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No you filter then UV light. This way nothing is "shaded" by other particles. I have a UV light in my house. I just use a yarn style filter followed by a carbon then UV.
If you end up getting alot of junk in your water you can use a spin down style filter to get any of the heavy stuff out.
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spencerin
Member
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# Posted: 20 Jul 2022 08:30pm
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Correct, filters first so you can filter out any particles that could block UV light rays. A properly-sized and operating UV light won't miss killing any viruses or bacteria, unless something is blocking its rays from reaching its target (like sediment in water). Once they're dead, you don't need to filter viruses and bacteria out - they're inert, lifeless, and harmless, unable to harm your body in any way.
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NorthRick
Member
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# Posted: 21 Jul 2022 04:26pm
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Quoting: spencerin Correct, filters first so you can filter out any particles that could block UV light rays. A properly-sized and operating UV light won't miss killing any viruses or bacteria, unless something is blocking its rays from reaching its target (like sediment in water). Once they're dead, you don't need to filter viruses and bacteria out - they're inert, lifeless, and harmless, unable to harm your body in any way.
And, very, very, tiny. You won't even know they are there.
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