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Thread: Water filters

  1. #1

    Water filters

    I recently have built what I hope to be my last darkroom. I installed inline water filters for the first time. The amount of printing I do is variable sometimes a couple of times a week, sometimes a month between sessions. Is there a necessity to empty the water out of the filter holders if I don't anticipate printing or developing for several weeks? Thanks.

  2. #2

    Re: Water filters

    I suppose that depends on residual chlorination held in the lines and filters. I'd probably open all valves every 30 days to run fresh water through for a minute or two. Then, I'd run a minute or two before each mixing or processing session, even if only a few days apart.

  3. #3

    Join Date
    Jan 2013
    Location
    Madisonville, LA
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    1,758

    Re: Water filters

    Quote Originally Posted by consummate_fritterer View Post
    I suppose that depends on residual chlorination held in the lines and filters. I'd probably open all valves every 30 days to run fresh water through for a minute or two. Then, I'd run a minute or two before each mixing or processing session, even if only a few days apart.
    Only if you're planning on drinking the water

  4. #4

    Re: Water filters

    Luis, I've seen some VERY bad stuff flushed through my faucets if they sit unused for a month. Believe me... you would NOT want to wipe your behind with it, let alone drink it or process important images in it.

  5. #5

    Join Date
    May 2007
    Location
    Greenwood Lake NY USA
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    200

    Re: Water filters

    No need to open the filter holders, they operate wet and can stay wet indefinitely.

  6. #6

    Join Date
    Mar 2004
    Posts
    643

    Re: Water filters

    It really depends on the water quality and plumbing. I have well water with a huge amount of dissolved iron, plus various salts (including nitrate). Plastic pipe apparently allows enough oxygen in to precipitate iron, and if left for weeks or months at a time slime molds develop on the water filters (both upstream and downstream from the filter itself. A long downtime means a new set of filters unless I want to spend a lot of time spotting negatives...

    Only experience will tell you what is appropriate for your personal situation.

  7. #7

    Join Date
    Jan 2013
    Location
    Madisonville, LA
    Posts
    1,758

    Re: Water filters

    Quote Originally Posted by consummate_fritterer View Post
    Luis, I've seen some VERY bad stuff flushed through my faucets if they sit unused for a month. Believe me... you would NOT want to wipe your behind with it, let alone drink it or process important images in it.
    If that's the case frankly I'd move!

  8. #8

    Re: Water filters

    Quote Originally Posted by Luis-F-S View Post
    If that's the case frankly I'd move!
    I no longer have the fiscal means to do so...

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