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Thread: Green hair and cyno in sump

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    Green hair and cyno in sump

    It's a 40b with the scrubber on one end return on the other, It's a double sided screen with big reflectors and 40w cfl each, why doesn't the scrubber keep it from growing?, what could I do to fix it?. Btw there's no algae in the display

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    Pics would help, might be something with the configuration of the scrubber

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    Blocking the light to the sump would help, might not be very easy with your setup though. Even low light levels of that warm color light will encourage cyano and GHA pretty easily.

    Big screen, what are dims and how much are you feeding?

  5. #5
    kerry's Avatar
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    Be sure there is no food settling there as that would cause cyano as well.
    150G. Reef/Mix
    125G. 3 Regular Oscars/1 Jack Dempsey
    75G. 20+ Africans
    40G. Fish/Reef. Algae Scrubbers on ALL my SW
    10G. SW Fish/Reef.
    10G. SW Hospital/new fish quarantine/pod breeder tank
    6 stage RO/DI system 200 GPD.

  6. #6

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    Screen size is 7x9 with an inch in water, its slimmer than the reflectors. Feeding 3x a day, first feed 4 pinches of pellets, 1
    of flakes, and nori on a clip. Second 2 pinches of flakes, and nori on clip, third 2 cubes of brine or mysis shrimp, and pinch
    of flakes, and nori on clip.

    Fish
    Blue tang 8" (the reason why I feed alot)
    Desjardini Tang 3"
    2 Clowns
    Blue Damsel
    Blue Velvet Damsel
    White Spot Damsel
    3 Firefish
    2 Peppermint Shrimp
    Various Snals

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    Xssx - just curious as to why you are concerned about this. Are you concerned about it spreading to the DT. Your going to have bits of cyano and loads of different types of algaes lying almost dormant forever in an aquarium. Then they spring up whenever conditions are favourable. Whatever the conditions are in the tank, more favourable conditions should be available on the screen, but the mere fact they are growing on the screen means healthy algaes will enter your sump and grow if there is enough light, although more slowly.

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    Quote Originally Posted by Garf View Post
    Xssx - just curious as to why you are concerned about this. Are you concerned about it spreading to the DT. Your going to have bits of cyano and loads of different types of algaes lying almost dormant forever in an aquarium. Then they spring up whenever conditions are favourable. Whatever the conditions are in the tank, more favourable conditions should be available on the screen, but the mere fact they are growing on the screen means healthy algaes will enter your sump and grow if there is enough light, although more slowly.
    Never seen or heard about it and thought it was abnormal and would cause problems

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    Quote Originally Posted by xssx View Post
    Never seen or heard about it and thought it was abnormal and would cause problems
    Your not on your own, lots of people worry over this. If algae starts to clog your pumps it just gives a decent reason to take the pump to pieces and give it a good once over (clean impeller etc). As Floyd said, lower your light spillage and it will be less of a concern. My sump has been reverse lit for 5 years and have never had a problem caused by algae.

  10. #10
    kerry's Avatar
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    I get some algae build up in my scrubber sump. I clean it out about once a month. It never seems to hurt anything, I never get cyano though just algae hair type.
    150G. Reef/Mix
    125G. 3 Regular Oscars/1 Jack Dempsey
    75G. 20+ Africans
    40G. Fish/Reef. Algae Scrubbers on ALL my SW
    10G. SW Fish/Reef.
    10G. SW Hospital/new fish quarantine/pod breeder tank
    6 stage RO/DI system 200 GPD.

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