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post #1 of 6 (permalink) Old 07-31-2009, 05:39 PM Thread Starter
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What is this?

This is biggest problem in my tank. If I can just figure out what it is and get it to stop coming back, my tank would be beautiful. In the pics, you see the leaves on my sunset hygro have black edges on alot of the leaves. It is also this black hair or thread like stuff growing attached to a couple leaves. I hope you can see what i mean because these are the best pics i can get. I fertilize, good co2, good lighting the whole works. Just after months and months of work on the tank, oi still get this stuff.


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post #2 of 6 (permalink) Old 07-31-2009, 05:57 PM
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It's just algae, i get it on my sunset hygro as well. Blackbeard algae maybe? I'm not an algae expert. I found that if you reduce lighting temporarily, spot dose excel, and trim the worst of it away, it'll go away.
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post #3 of 6 (permalink) Old 07-31-2009, 09:36 PM
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Looks like a mild case of black beard algae.
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post #4 of 6 (permalink) Old 08-01-2009, 01:55 AM
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Is that a lot of bubbles in the water? From an airstone? If so, that is probably keeping the CO2 level down too low. BBA seems to show up anytime there are problems with the CO2 level in the tank. Starting with DIY CO2 for a 20 gallon tank, you have an uphill battle keeping enough there, but if you use an airstone too, you will run low on CO2 for sure.

If the bubbles are CO2, it would help to find a way to get much smaller bubbles. A DIY needlewheel powerhead would help with that.

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post #5 of 6 (permalink) Old 08-01-2009, 02:23 AM Thread Starter
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This might sound odd but i'm not too sure what those bubbles are. There are no airstones, just an internal filter chopping up a fine mist of co2. My drop checker stays a nice greenish yellow. I am trying to work on pressurized but cylinders are really expensive.

anyway, those bubbles are these clusters of bubbles that build up on the water surface, like a foam. Dont know if its co2 or oxygen but when the bubbles drift under the aquaclear 50 hob filter i use, the flow pushes them back into the water. You see them in the pic because the hygro is right under the filter. I hope i explained the situation right.


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post #6 of 6 (permalink) Old 08-01-2009, 02:46 AM
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that's staghorn.
try to up you CO2.. it's not too bad. You can just pick it off.


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