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Old 03-12-2013, 02:03 AM   #1
Svitlana
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Help to identify this algae and ways to get rid if it


Hi, i am fairly new to fishtanks, we had it for 2 years, tried all types of light and plants and nothing seems to work. I have ordered Finnex Ray after i read some advise here, and the algae started to grow even faster. Please help, any advise is highly appreciated. Thank you!
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Old 03-12-2013, 02:05 AM   #2
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Maybe this picture will get you a better idea. Thank you!
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Old 03-12-2013, 02:15 AM   #3
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It's blue green algae. I think the problem is that Finnex Ray light seems to be overkilled with your tank. How long do you have it on? I assume you do not have Co2 injected. Some info about your tank might help.
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Old 03-12-2013, 02:24 AM   #4
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We got the light last week and have it on for approx 12 hours a day and will turn it off for the night. We do have co2 for 12 hours too, i just happened to turn it off when i took the picture. The tank is the front bow tank and approx 15 gallons. I am attaching a picture with co2 on.
We also got some plants as you see but fish is eating everything unfortunately.
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Old 03-12-2013, 02:30 AM   #5
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Attached is one more picture. Thanks.
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Old 03-12-2013, 03:22 AM   #6
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Quote:
Originally Posted by Svitlana View Post
Attached is one more picture. Thanks.
12 hours is too long. Try 8 hours. Are the bubbles coming from the air pump or those are Co2 bubbles?
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Old 03-12-2013, 03:28 AM   #7
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As mentioned, you have blue green algae (cyanobacteria).

Your photoperiod can be reduced to 8 hours.

You seem to have a lot of CO2 being injected (the bubbles seem very large), so I would check (i.e. with a drop checker containing 4 dkH reference solution) to see how much dissolution of CO2 you are actually getting.

Are you dosing any fertilizers? BGA can be caused by low nitrates.
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Old 03-12-2013, 03:54 AM   #8
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Thanks for your replies. We are using air bar (not sure if that is the right name). I used fertilizers before only once. A week ago but algae was already there. Also before Finnex we had regular fluorescent 15 w light. No plant has ever lived in this tank for more than 2 weeks: it was either eaten by fish or will just die.... As you also see we have some plastic artificial plants, should i get rid of those and get some real ones? If yes, please let me know which ones will survive in my tank and will not die b/c of algae,fish, etc. Thanks again.
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Old 03-12-2013, 04:43 AM   #9
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Quote:
Originally Posted by Svitlana View Post
Thanks for your replies. We are using air bar (not sure if that is the right name). I used fertilizers before only once. A week ago but algae was already there. Also before Finnex we had regular fluorescent 15 w light. No plant has ever lived in this tank for more than 2 weeks: it was either eaten by fish or will just die.... As you also see we have some plastic artificial plants, should i get rid of those and get some real ones? If yes, please let me know which ones will survive in my tank and will not die b/c of algae,fish, etc. Thanks again.
So you are not injecting CO2? I am confused now.

What kind of fish do you have in your aquarium? Some fish will naturally eat live plants, making it impossible to keep them.
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Old 03-12-2013, 04:49 AM   #10
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We are using an air pump connected to the bar on the floor of the fish tank and the bubbles are coming out of that bar. I thought it was co2....As for fish we have neons, a silver dollar (looks like he is eating most of my plants), a clown loach, 2 columbian. Thanks for your help!
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Old 03-12-2013, 04:52 AM   #11
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I think the OP is saying they are injecting CO2 through an air stone strip (correct me if I'm wrong). It will be quite difficult for plants to survive if you have herbivorous fish. It's what they eat naturally and will continue to do so. You will have healthy fish, just no plants (or not very long, anyway). You have two choices: A) Rehome the fish eating the plants, or B) Don't keep live plants.

I agree that you seem to be injecting A LOT of CO2 in your tank, and depending on your bpm, could be unhealthy for your fish. I would reduce your photoperiod and be sure to not overfeed. How are your water parameters? What's your maintenance schedule?
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Old 03-12-2013, 04:56 AM   #12
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Cut back on our lighting period. Also look into adding a DiY Co2 system or perhaps a paintball Co2 system. Your plants will be much happier. "Maracyn" (aka..erethomyacin) will also kill BGA (cyan). Dont forget regular water changes.
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Old 03-12-2013, 05:19 AM   #13
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Just to clear up the confusion, this tank does not have CO2. The air stone is connected to an air pump.

There is CO2 in air, and that may be what Svitlana is referring to. But it's too little to make any difference in an aquarium. It's also possible she confused CO2 (carbon dioxide) with O2 (oxygen).

About that large plant on the left with white-trimmed leaves. If it's real (and not one of the plastic ones), it's not an aquatic plant and will eventually die, regardless of what you do. Some fish stores are bad about misrepresenting plants this way, and some of the others plants you've had might have died for the same reason. Write down plant names at the store, then check them out online before making purchases.

Blue Green Algae (BGA) isn't algae at all, but bacteria that uses light to grow, as if it were a plant or algae. So antibiotics, like the Maracyn (erythromycin) Tetrameck mentioned, will kill it. That's the easiest and most reliable way to get rid of it, though it's not the only way, nor is it the cheapest. Should you try it, remove as much as possible of the BGA before adding the Maracyn. A lot of BGA dying off at once can be toxic. Once eliminated, it normally won't come back unless reintroduced from another aquarium. That can be one of yours (if you have more than one), or even from the fish store. Checking their tanks to see if they have BGA before you buy will help to avoid it in the future.
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Old 03-12-2013, 05:51 AM   #14
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Quote:
Originally Posted by DarkCobra View Post
Just to clear up the confusion, this tank does not have CO2. The air stone is connected to an air pump.

There is CO2 in air, and that may be what Svitlana is referring to. But it's too little to make any difference in an aquarium. It's also possible she confused CO2 (carbon dioxide) with O2 (oxygen).
That is also what I suspected, but I wanted to be certain.

In any case, try to remove as much of the cyanobacteria as possible, and then possibly use erythromycin to eliminate the remaining cyanobacteria. Once this is done, you will need to address the root cause of the BGA in order to prevent it from coming back in the future.
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Old 03-12-2013, 06:16 AM   #15
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The bulbs need to be in the 6500k -6700k spectrum or you will never get rid of that stuff. I had it festering in my tank for 3 months & I almost gave up!
What got rid of it was making sure the bulb spectrum was in that range & a host of other things, like increasing filtration, adding carbon to lower DOC's, increasing flow, increased CO2 , EI dosing, Flagil antbiotic, 24 hour black out, switching to 100% remineralized R/O water was huge as well.
I feel it took many things not just 1 thing killed it off.
Im still waiting to see if it comes back this summer when my tank overheats at 80 degrees. But I feel I have it beat down as long as I continue on stated road.
Not to over state it but BGA cannot use 6500k-6700k as well as plants so if you increase your bio mass & run proper bulbs + add carbon during this period only & do all stated above you should be able to beat it , but BGA is not to be taken lightly , it can kill everything in your tank & make you very sick as well so try to wash hands carefully after being in the tank! INCREASE FLOW & FILTRATION!, Use medication at the end when all other improvements are in place. What Anthony said is very important, KEEP NITRATES ABOVE 10PPM OR HIGHER! Go ahead & do a 24 hour black out on the tank when all improvements are done & add the antibiotic of choice. The R/O watre is very important because your distribution like mine has spores in it so it could come back again so the R/O should filter out the spores, R/O's are not expensive but the water needs tp be remineralized. Hope that helps!
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