Nasty algae on my rocks. - Page 2 - The Planted Tank Forum
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post #16 of 20 (permalink) Old 04-11-2013, 02:37 AM Thread Starter
Algae Grower
Join Date: Feb 2013
Location: Grand Rapids, mi
Posts: 28
I agree with Crazy.
I like to fix the issue not just mask it with some antibiotic. I will pick up some nitrogen at work tomorrow & if that combined with manually removing the nasty algae doesn't work, then maybe i'll think about using an antibiotic. Thanks for the input and identifying the algae for me!
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post #17 of 20 (permalink) Old 04-18-2013, 01:51 AM Thread Starter
Algae Grower
Join Date: Feb 2013
Location: Grand Rapids, mi
Posts: 28
So i picked up some some synthesis from work it's a chemical containing ammoniacal, nitrate, and organic nitrogen.

I have dosed it 3 times in the past week. (once every other day) to control the blue green algae. So far it has done nothing. The algae is growing back just as fast as I manually remove it. I am not getting any nitrates in my water at all either..? It is just adding ammonia when I test it.

I think I am going to try out the chemical and see if that can get it under control until I can control the problem myself.
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post #18 of 20 (permalink) Old 04-21-2013, 02:37 PM
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Join Date: Mar 2011
Location: Jackson, MI
Posts: 141

low flow
low to no nitrates

I have found that the best way to knock out cyano is to syphon off about 20% and replace it with good ole dirty oscar water.
rather than adding nitrates as a fert, i added a little water from my oscar tank that was rich in nitrates. after 2 days no sign that it ever happened. i had been battling it for a couple weeks taking other measures. If you have another established tank and it is due for a water change add some of it to your infected tank.
I would still examine the amount of water flow from your filter to be sure.
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post #19 of 20 (permalink) Old 04-21-2013, 02:49 PM
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is there nitrogen in dry fertilizers? if so, which ones?
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post #20 of 20 (permalink) Old 04-21-2013, 02:57 PM
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Join Date: Jul 2012
Location: Corpus Christi, Tx
Posts: 111
Re: Nasty algae on my rocks.

I agree with using antibiotics to rid yourself of the BGA now, while at the same time making changes so it doesn't return.

I suffered an outbreak in my 55 gallon due to low flow (current) and me slacking on maintenance. Antibiotics got rid of the BGA and making changes to my filter along with a consistent cleaning regimen have kept my tank BGA free since.

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