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Thread: Red Algae

  1. #1
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    Red Algae

    I've had this one unit running in my 55G for quite some time now... The majority of it is red algae... Is this from too much light.. I have a 65W flood cfl on it about 4 inches away...

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    Dark growth is almost always too-little light per square inch. BTW a 65w CFL would be about 12 inches long.

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    Quote Originally Posted by SantaMonica View Post
    Dark growth is almost always too-little light per square inch. BTW a 65w CFL would be about 12 inches long.
    Well it's a 16W cfl/ = to 65W ....5000K I guess I should have explained a little better on a 9x9 scrubber

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    I take it this is a UAS type. Is it red hair algae or calcareous algae?

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    Quote Originally Posted by Garf View Post
    I take it this is a UAS type. Is it red hair algae or calcareous algae?
    yes UAS

    After removing my light and looking a little closer... It's more of a muddy brown with darker green areas around it.... I don't have enough light for this size screen... It's nice and green for the initial start up grown and then turns dark because I don't have enough light.....

    I gave it a good cleaning..... I have to work on some lighting for this unit and the one on the other tank....

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    9 X 9 = 81 = needs 81 watts of light instead of 16.

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    Quote Originally Posted by SantaMonica View Post
    9 X 9 = 81 = needs 81 watts of light instead of 16.

    Thanks SM ....

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    And you need to use actual wattage, ignore the 'equivalent to' - means nothing for us.

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