Help with algae identification
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Old 07-25-2013, 11:38 PM   #1
stefus_prime
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Help with algae identification


I recently started up a 7.5 gal, the cycle is about 2 weeks in, I added a few otos and some plants. Recently I began to notice algae growth on my DHG and hairgrass, there is also some light growth on rocks and gravel, I suspect this is blue-green algae but I would like a second opinion from you guys.

I've attached a picture of the DHG and rock in the background.
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Old 07-25-2013, 11:41 PM   #2
Axelrod12
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I can't really see any on the DHG in the picture but the algae on the rock looks like blue green.
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Old 07-26-2013, 01:24 AM   #3
stefus_prime
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Quote:
Originally Posted by Axelrod12 View Post
I can't really see any on the DHG in the picture but the algae on the rock looks like blue green.
It's really fine and tough to see on the DHG but it's there. Damn...BGA seems like a real pain, would the tank not being fully cycled have anything to do with it? The Finnex light is considered medium and it only runs for around 6 or 7 hours a day so I don't think it is low light, I need to check my nitrates but what would be considered low nitrate?
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Old 07-26-2013, 07:58 AM   #4
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i don't think the rock has blue green algae on it. usually blue gree algae is slimy. the stuff on the rock looks like regualr dust algae or green spot algae. if it were BG algae, i know that ADA has a solution of sprinkling a bit of their bacter 100 on it. my friend has done it before and it cleared it up. im not sure if it works on other algaes though. but you can always get some shrimp, i know mine would love to graze on that type of algae. either amanos of cherry shrimp would work.
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Old 07-26-2013, 06:23 PM   #5
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Its BGA on the DHG. Should act fast before it becomes worse. Mechanically remove as much as possible, increase nitrates (10-20ppm is a safe level), increase O2 and circulation, reduce organics. Blackouts, antibiotics, spot dosing with H2O2 or Excel are all options.
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