wierd black spot algae? - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 5 Old 08-08-2008, 01:24 AM Thread Starter
wierd black spot algae?

my fish tank has been growing this brown algae on the glass walls and for a while my chinese algae eater kept them in check but then the algae eater died and i couldn't get a new one for a while and the algae covered all my walls. Then they started growing these black spots and the new otos i got for the tank cant seem to eat it. Does anyone know what the balck spots are and if they can harm my fish?
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post #2 of 5 Old 08-08-2008, 05:56 AM
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Just sounds like typical algae growth to me. The black develops on top of the green. If you are having a hard time getting the algae off, using a razor blade helps and easily removes algae from glass.
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post #3 of 5 Old 08-08-2008, 05:00 PM Thread Starter
will my otos be able to eventually eat it off or will i need to get it off myself?
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post #4 of 5 Old 08-08-2008, 06:37 PM
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I believe ottos will only eat certain algaes, like the softer ones. That hard spot algae you'll need to scrape off yourself.

150 Gallon - Mostly American Cichlids
135 Gallon - Angelfish Community
75 Gallon - Odd couple (Polleni/Angelfish)
55 Gallon - African tank
20 Gallon Long - QT
10 Gallon - Empty
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post #5 of 5 Old 08-08-2008, 08:56 PM Thread Starter
thanks... >.< off to the store to get an algae scrubber
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