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Thread: Lawn well filter

  1. #1

    Question Lawn well filter

    Hello all,
    I drove a 20ft well and can get 7-8 gpm out of it. The water stains everything it touches with rust.

    1)are there any affordable filters available for iron that wont effect good pressure?

  2. #2
    CT pump guy Teets's Avatar
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    What kind of pump are you using, and how often do you irrigate, and is it for irrigation only or the house also. You could install a sediment filter if it's used occasionally. You'd have to change the cartridge filter occasionally. If you use a lot of water out of this well pretty frequently, you'd probably need some kind of oxidizing backwashing filter to remove the iron.

  3. #3

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    Sorry I left out specifics. 1HP jet pump. 1 3/4" driven pvc. Water is used only for the lawn, since my thoughtful city outlaws we use any other water than theirs for the house
    I plan on twice a week at least when I run the irrigation system in the lawn. I was mostly concerned with losing pressure and G.P.M. if I installed a filter. Maybe I will just have to get precise with my sprinkler placement?
    thanks!

  4. #4
    That's all folks! Gary Slusser's Avatar
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    A sediment cartridge is only going to remove particles larger than the micron rating of the cartridge, and block up. And that doesn't do anything to remove the dissolved iron that is causing the rust stains.

    To remove iron you must oxidize it and remove the rust (with a real filter) from the water stream or, use ion exchange, a water softener.

    You don't want to size a softener correctly for the gpm irrigation can use and then use softened water to water the lawn, it will kill vegetation. So, you should rip out all the stuff that can't survive without watering and be greener as a water conservationist....
    Gary Slusser Retired (= out of business)
    Click Here to learn how to correctly size or program a water softener.
    CAUTION, as of Nov 12 2013 all YouTube videos showing how to rebuild a Clack valve have an error in them that can cause damage.

  5. #5

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    I have very high iron in the water I use for irrigation. Forget about filtering it out unless you want to spend big $$$. They make some chemical (The name escapes me right now) that ties up the dissolved iron that you can inject into your irrigation water, but I heard that it only works at relatively low concentrations of iron. The easiest and cheapest thing to do is as you suggest, become more precise on your sprinkler placements. Flowers and shrubs look nice around the house and walk anyways

    -rick

  6. #6
    That's all folks! Gary Slusser's Avatar
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    Polyphosphates.
    Gary Slusser Retired (= out of business)
    Click Here to learn how to correctly size or program a water softener.
    CAUTION, as of Nov 12 2013 all YouTube videos showing how to rebuild a Clack valve have an error in them that can cause damage.

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