Green scale

Discussion in 'Newbies to Garden Ponds' started by Darren, Aug 16, 2016.

  1. Darren

    Darren

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    Hi,
    We set up a new pond about 2month ago, about 8k L, pvc liner, we have a 10k fillter with a 16w uv lamp built in, we have had nothing but trouble, never been 100% clear had blanket weed and now the sides of the pond has a green scale on it, why? How can we get rid of it? Also when I top pond up each week do I need to add anything?
    I used a filter start at beginning and we have 12 small koi any help please
     
    Darren, Aug 16, 2016
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  2. Darren

    Meyer Jordan Tadpole

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    Photos of this 'Green Scale' would help.
    Your pond is still relatively young and likely still going through the balancing process. Do you have aquatic plantings?
     
    Meyer Jordan, Aug 16, 2016
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  3. Darren

    Darren

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    Hi
    Thankyou for the reply
    Will post a pic tomorrow, I tried scrubbing it off with a nail brush, very stubborn, its like someone sprayed the pond liner with rough light green paint
    Yes have big clump of bull rushes in centre and 2 lots of marginal plants
     
    Darren, Aug 16, 2016
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  4. Darren

    MitchM

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    How much are you feeding?
     
    MitchM, Aug 16, 2016
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  5. Darren

    Meyer Jordan Tadpole

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    The photos may tell a different tale, but it sounds like what you have is a typical growth of periphyton (attached algae) which isquite beneficial to the pond's eco-system. It absorbs nutrients produced from fish and other sources, it produces Oxygen, it assimilates Ammonia, it provides food for fish and other aquatic organisms, etc.
     
    Meyer Jordan, Aug 16, 2016
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  6. Darren

    cas

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    As Meyer said, if it is just a coating of algae, it is beneficial, the fish will nibble on it and I believe it also helps with 'green water algae'. Here is a picture of the inside of my pond. The liner is black and has a coating of algae on it. I can see down 34" to the bottom. I never scrub the liner.

    2016-6-13 inside (2).JPG
     
    cas, Aug 16, 2016
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  7. Darren

    morewater President, Raccoon Haters International

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    Never scrub, never power wash a pond liner.
     
    morewater, Aug 16, 2016
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  8. Darren

    Darren

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    Feeding twice aday just enough so they eat it in a few minutes, but for last week gone to once a day
     
    Darren, Aug 17, 2016
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  9. Darren

    Darren

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    Hi morning
    This is the pond, happened in about a day, should I just leave it or treat it?
     

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    Darren, Aug 17, 2016
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  10. Darren

    Mmathis TurtleMommy

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    @Darren If you mean the green water? Leave it alone. Your pond is new and still in the process of getting established. Algae blooms are normal and not harmful to the fish. Do you have a water test kit? Need to get one and be testing for ammonia, nitrites, nitrates, and pH.
     
    Mmathis, Aug 17, 2016
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  11. Darren

    Darren

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    Hi
    No not the green water, the green lime scale stuff on the liner, I know I have been missed sold the filter as apparently its under sized for the pond + the fish is this correct? I have 8k L, 12 small koi, hozlock 10k with 16w uv, I think a 25k filter with a 72 or 110 uv would be better as pond gets sun most of day
     
    Darren, Aug 17, 2016
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  12. Darren

    Mmathis TurtleMommy

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    OK, sorry, I interpreted those last pictures as showing that the water changed color compared to the initial description you posted.

    Other than the green water, I can't see anything unusual in the pics. I assume (and it's not good to assume anything) that you have blanket algae covering the liner -- this is natural as well and you don't need to remove it. But really can't tell from the pics. Can you get some close-ups to show the exact thing you're talking about?
     
    Mmathis, Aug 17, 2016
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  13. Darren

    Darren

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    Hi,
    Yeh difficult to see from first pics, hope this helps, yoj can see where I made mistake and tried removing it with a nail brush ooops
     

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    Darren, Aug 17, 2016
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  14. Darren

    cas

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    Ha! Your 'green scale' isn't even close to the amount I have! ;)
    In your first pictures I didn't see any water movement. My water fall and skimmer weren't providing enough water circulation and I added an air stone to the bottom of the pond. I feel it helped a lot with the water circulation and the clarity of the water.
     
    cas, Aug 17, 2016
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  15. Darren

    Mmathis TurtleMommy

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    @Darren it does look like blanket algae. What does it feel like if you rub your fingers on it? Is it soft & squishy?
     
    Mmathis, Aug 17, 2016
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  16. Darren

    Darren

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    Hiya
    Lol you keep all yours, I do have a water fall and a hidden pipe circulates the water out of shot, both 40mm pipe running
     
    Darren, Aug 17, 2016
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  17. Darren

    Darren

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    H
    Hi
    Its hard like a lime scale, miniature flakes, feels a bit like sand paper
     
    Darren, Aug 17, 2016
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  18. Darren

    Mmathis TurtleMommy

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    OK, so this doesn't sound like blanket algae.......
     
    Mmathis, Aug 17, 2016
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  19. Darren

    Meyer Jordan Tadpole

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    That sounds like a biofilm/periphyton layer that has been allowed to dry out. This typically resembles peeling paint.
     
    Meyer Jordan, Aug 17, 2016
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  20. Darren

    Darren

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    Hi
    In The deeper water it feels slimy but in the shallow water its looks n feels dry but doesn't peel like paint,when rubbed it goes to a cloud!!!!
     
    Darren, Aug 17, 2016
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