Whole house sediment filter?

Discussion in 'Plumbing Forum, Professional & DIY Advice, Tips & ' started by Vitaliy, Sep 19, 2005.

  1. Vitaliy

    Vitaliy New Member

    Messages:
    73
    Location:
    Massachusetts
    Hi Everybody,

    How often should I change whole house sediment filter if it looks like
    this (please check the attached picture) after being used only 3 weeks?
    Gary, please comment?

    Thank you,

    - Vitaliy

    Attached Files:

  2. Gary Slusser

    Gary Slusser That's all folks!

    The proper means to establish when a disposable cartridge needs to be replaced is by pressure loss across the filter. That is when it reaches 15 psi. All other means are wasting your money, especially using how it looks. And... in the vast majority of cases, disposable cartridge "whole house" filters are a waste of money. What you're trapping in that cartridge is ferric iron (household rust) which is due to oxidizing ferrous iron in the cartridge due to the DO (dissolved oxygen) in the water. And it's not a problem except in the toilet tanks when you look in them, and most folks usually don't for months at a time because there is not reason to as long as the toilet flushes and the water is clear. That includes ahead of a softener, unless it is a Kinetico non-electric centuries old water powered softener.

    From the looks of the cartridge, I say you have a ferrous iron problem with the water and you should have a water analysis done. And based on the data, you probably need a softener or iron filter.

    Gary
    Quality Water Associates
  3. Vitaliy

    Vitaliy New Member

    Messages:
    73
    Location:
    Massachusetts
    Hi Gary,

    I realized this is a lot of rust in a water and I am about to go
    with professional water analysis to check what else in it too.
    I was very surprised to see the amount of rust, accumulated during
    only three weeks of filter operation. Main city water line was entirely
    replaced about 5 years ago. From the other side I leaved without any
    in house water treatment for years and did not have any problem,
    related to this rust (and/or whatever else in it).


    - Vitaliy
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