What kind of algae is this? (Red, Blue-Green, or something - The Planted Tank Forum
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post #1 of 3 (permalink) Old 10-24-2002, 04:59 PM Thread Starter
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This algae/bacteria forms on plants, gravel, and glass. It appears as a black/very dark green film that is fuzzy and VERY difficult to remove from silk plants (had to scrape with my fingernail).

I am planning on switching this filter to my new 29 gallon...want to know what I am dealing with before I switch it to my 29 gallon.

This is a lower light 1.5wpg (10 gallon with 15w bulb) tank...20ppm nitrate, 0 nitrite, 0 ammonia...pH 7.5 Fresh water, live plants (sparsely planted) with medium natural gravel.
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post #2 of 3 (permalink) Old 10-24-2002, 07:22 PM
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I can't think of a film fuzzy algae that is difficult to scrape. It sounds like Black Brush Hair algae, but that grows in tufts, not films. Cyanobacteria grows in mats, but is easy to scrape right off.

Regardless, you've given us a clue as to why this algae is prolific in your tank - sparsely planted. Get a good bunch of fast growing plants in there such as Hygro and Sagitarria and they'll help you consume those nutrients before algae can even think about getting at them.

How many hours is your photoperiod?

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plantedtanker in limbo - all tanks currently in storage
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post #3 of 3 (permalink) Old 10-24-2002, 09:47 PM Thread Starter
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The photoperiod is 11 hours. I have a few live plants, but that is there to ease the transition. This is a tank that I am using to house a number of fish that I had to take off my brother's hands.

I have 2 tanks...29 and a 10. The 10 gallon was stocked with 3 Otos, 3 platys, 2 danios. I took 2 otos and put them in the 29 gallon, added my bros fish (he is moving and can't keep them). So I added one rosy barb, one small bala shark, one cory cat.

Both tanks have just finished cycling. I was planning on moving them all up to my heavily planted 29 gallon: http://www.aquariacentral.com/forums...ML/016883.html

I didn't want to carry any nasty algae (as opposed to the mild case of green beard algae that I have in the 29).

Here is a pic of what the algae looks like:

(Just go 5 posts into this link)


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