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Thread: thousands of white dots in sump

  1. #1

    Join Date
    Sep 2010
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    150

    thousands of white dots in sump

    I have about 25-50 white calcified dots per square inch in some areas in my sump. It is growing on just about all surfaces. I have never had so many before.

    Any idea what it is?

  2. #2
    Administrator
    Join Date
    Oct 2008
    Location
    Salt Lake City, Utah, USA
    Posts
    10,566

    Re: thousands of white dots in sump

    I have millions of them, and now I'm just letting them grow. Some type of crustacian.

  3. #3

    Join Date
    Sep 2010
    Posts
    150

    Re: thousands of white dots in sump

    Let me know if you ever find out more.

    I will run powerheads externally and ignore for now. They are difficult to remove even with vinegar.

  4. #4
    Administrator
    Join Date
    Oct 2008
    Location
    Salt Lake City, Utah, USA
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    10,566

    Re: thousands of white dots in sump

    I've stopped cleaning my sump, and so it's now also loaded with tiny tube worms. I'm going to add rock rubble (coarse gravel) to the bottom, and just let stuff collect and grow.

  5. #5

    Join Date
    Sep 2010
    Posts
    150

    Re: thousands of white dots in sump

    I have not seen them be a problem but they do foul the sensor on the Tunze Osmolator. I have the old mdel with the plastic rail. I scratch them off for now. I will ne vinegar cleaning in future.

    They attach to chiller coil even so are very tough, but not on the heater.

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