Need help identifying algae! Please!

  1. cody

    cody

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    Thank you for your effort in helping me with this issue Meyer, I can tell that you are very keen on these matters.
    These photos were taken prior to any recent treatment. It is not an entirely clear blanket of growth, it does have a bit of light tannish color in it. What would you do to address this situation? I have it completely cleaned out and dry at the moment. thanks
     
    cody, Jul 24, 2017
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  2. cody

    cody

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    I have done this numerous times, it just comes back within a few weeks. thanks
     
    cody, Jul 24, 2017
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  3. cody

    cody

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    This color in the photo is extremely close to the color of the substance! Fyi, when this stuff dries on the rocks, it hardens almost like a thin chip that will break apart with light force.
     
    cody, Jul 24, 2017
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  4. cody

    cody

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    The reason I am nearly certain that this bacterial is due to the fact that once I apply peroxide, the peroxide begins to sizzle like crazy. Another reason is that any algae killer product does nothing to this stuff.
     
    cody, Jul 24, 2017
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  5. cody

    cody

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    Changes over the last 2 years are adding a copper ionizer that killed off all string algae and gathering plants from local ponds and planting them into the feature.
     
    cody, Jul 24, 2017
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  6. cody

    cody

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    I have another pond on my property that has pristine water with no issues. Do you think I should try filling up my problematic pond with this water after a drain and clean? I do not fertilize my plants, they are growing in a volcanic crushed rock that provides them with all the nutrients they need. It is called caribsea eco and it is commonly used in fish tanks.
     
    cody, Jul 24, 2017
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  7. cody

    Meyer Jordan Tadpole

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    That should correct the problem as you will have removed any nutrient source for both dinoflagellates or bacteria.
    Next step, permanently retire the ionizer!
     
    Meyer Jordan, Jul 24, 2017
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  8. cody

    cody

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    I will try this. What do you see as the problem with the copper ionizer? thanks
     
    cody, Jul 24, 2017
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  9. cody

    Meyer Jordan Tadpole

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    Meyer Jordan, Jul 24, 2017
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  10. cody

    MitchM

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    Great to hear back from you cody.
    I'm interested in hearing how your pond develops after the ionizer is taken off line.
    Are you also running a UV clarifier?
    Any chemical treatments or activated carbon in the filter system?
     
    MitchM, Jul 24, 2017
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  11. cody

    cody

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    I will definitely keep you posted. No, I am not running a UV clarifier. There is no chemical
    or activated carbon in the filter system. Just several different sizes of screen/bio material and matalla matting.
    The plan at the moment is that I am going to spray down everything with H202 one more time, let sit for a few hours, spray down with water, pump out water, clean all filtration media really well then refill with pond water from the big healthy pond. thanks
     
    cody, Jul 24, 2017
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  12. cody

    MitchM

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    Thanks.
    Are you performing any water tests? (ammonia, KH, GH, nitrate, phosphate)
    It would be helpful to know the results as soon as possible after the ionizer is unplugged.
    We might be able to predict what the algae situation will be in the near future.
     
    MitchM, Jul 24, 2017
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  13. cody

    cody

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    The pond is currently empty. At what point should I perform a water test after filling up?

    thanks
     
    cody, Jul 24, 2017
    #33
  14. cody

    MitchM

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    I wasn't aware you emptied it.
    How long ago was it emptied?
     
    MitchM, Jul 24, 2017
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  15. cody

    cody

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    Yes, I emptied it around 1 week ago. After emptying, I sprayed everything down with 3% h202, hosed
    everything down with a high pressure nozzle and removed all remaining water. Nearly all of the unknown substance
    came off all of the boulders. It definitely does not like hydrogen peroxide. It was sizzling loud enough to hear it from 15 feet away or so.
     
    cody, Jul 24, 2017
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  16. cody

    cody

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    One more thing I failed to mention before was that the water seemed to simultaneously get murky and green
    while the substance began to develop on the rocks over the course of a few weeks. This would happen each time after an empty/scrub/refill cycle.
     
    cody, Jul 24, 2017
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  17. cody

    Meyer Jordan Tadpole

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    When was the last time that you tested the big pond beings that you are using that water to refill?
     
    Meyer Jordan, Jul 24, 2017
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  18. cody

    cody

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    It has been a few years. I will test the water and send the results. thanks
     
    cody, Jul 24, 2017
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  19. cody

    cody

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    The big pond has been amazing. It only ever has very light algae, nearly no debris build up anywhere, super clear water, zero smell anywhere (including debris off the bottom) and a whole thriving population of different life forms. I do run a cooper ionizer on this one as well but it is on a very low setting and there is 21,000 gallons of water in it.
     
    cody, Jul 24, 2017
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  20. cody

    cody

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    Test results. Nitrite and nitrate 0, ammonia 0, ph 7.6, gh 125, kh 100
     
    cody, Jul 25, 2017
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