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Thread: put a small fan on my scrubber

  1. #1

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    put a small fan on my scrubber

    after readi
    ng about the new uas design i decided to install a small fan on the top of my waterfall scrubber box. my algae has always grown forest green to black.think this will help?

  2. #2
    kerry's Avatar
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    I have tried this for two weeks and just stopped a couple days ago. I was getting OK growth but my algae way sucking up my Alk (bicarb) and after not seeing much of a difference I stopped. I cant say that I seen any growth difference.
    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.

  3. #3
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    Quote Originally Posted by greenmachine View Post
    after readi
    ng about the new uas design i decided to install a small fan on the top of my waterfall scrubber box. my algae has always grown forest green to black.think this will help?
    Will help to reduce the water temperature a bit if your overheating but I can't think of any benefits other than that. Other people think differently though.

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    is santa out there?? what does my dark dark green algae mean?

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    I'm not Santa but I know what he will say. Dark growth always means not enough light. So what you got shining on your screen?

  6. #6

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    well my screen measures 14" long by 6" tall has TONS of flow and is lit by 4 (2 each side) 24 watt 2700K spiral CFL's. the reflectors are the "soda can" style but larger because I used 5 gallon buckets cut down with mylar inside them.

  7. #7

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    o yea my bulbs are about 2" away from the screen and I will soon be replacing with LED's (this fall)

    happy queen day garf! thanks for the quick response!

  8. #8
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    Yes it's not enough light. Probably because of the reflectors; you are losing half the light.

  9. #9

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    how many watts of led light should I go with when i replace?

  10. #10
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    I'd fix the reflectors first, so that all of the light hits the screen.

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