Blue Green Algae in Nano - The Planted Tank Forum
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post #1 of 19 (permalink) Old 02-10-2014, 05:17 AM Thread Starter
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Blue Green Algae in Nano

Ive been fighting BGA in this tank for over a year, its been a constant problem and I think my last step is going to be to finally use antibiotics
The tank is currently filled, its around 8 gallons
Is Erythromycin the best for eliminating BGA?

All that I have in the tank right now is some dwarf hair grass and some florite substrate
Once Ive eliminated the BGA with the antibiotics what should I do to ensure i dont get it again and that can prevent algae in general?

For light its using a 25 Watt GE Daylight CFL, its rated at 6500k and 1500 lumens, and it is mounted in a clamp on work light fixture

I have a few different filter options
I have a air driven sponge filter, its rated for a 20 gallon tank, this one is 8 gallons (you can see it in this image: https://scontent-b-dfw.xx.fbcdn.net/...70267364_o.jpg)
I also have a fluval internal filter
The media is gone so im using blue filter pads
I was also considering getting a sunsun nano canister, but this would have to wait a few weeks probably

I plan to stock the tank with neon tetras and a few pygmy corries
I will also add a very small java fern and possibly some kind of moss

any advice would be greatly appreciated


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post #2 of 19 (permalink) Old 02-10-2014, 07:22 AM
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I know some one that used it and it worked for them. Good luck!


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post #3 of 19 (permalink) Old 02-10-2014, 07:43 AM
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Look's to me like the glass just need's to be cleaned.
In any event,,this would not be good container for fishes due to swimming room needed by fish, and poor surface area for oxygen exchange at the surface.
Would be good shrimp bowl. IMHO
Don't be hatin,,is the fishes I and maybe other's have concern for.
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post #4 of 19 (permalink) Old 02-10-2014, 01:21 PM Thread Starter
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the images are old, before it was filled
here it is now:

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post #5 of 19 (permalink) Old 02-10-2014, 01:22 PM Thread Starter
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Quote:
Originally Posted by roadmaster View Post
Look's to me like the glass just need's to be cleaned.
In any event,,this would not be good container for fishes due to swimming room needed by fish, and poor surface area for oxygen exchange at the surface.
Would be good shrimp bowl. IMHO
Don't be hatin,,is the fishes I and maybe other's have concern for.
its handled that bio load before
i dont fill the tank to the top, its around 10 gallons if filled to the brim
around 8 gallons and you double the available surface area
it is about as wide as a 10 gallon standard aquarium
there is plenty of room in there
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post #6 of 19 (permalink) Old 02-10-2014, 05:06 PM
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i would use hydrogen peroxide.... but to prevent algae you need to find the culprit. its usually an excess of nutrients with too much light. fix the problem and you prevent algae....good luck


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post #7 of 19 (permalink) Old 02-10-2014, 08:24 PM
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post #8 of 19 (permalink) Old 02-10-2014, 09:08 PM
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I think your tank is really neat looking and should be great for the fish you want to add. Just make sure like with any tank you have good water circulation.
I'm dealing with BGA right now myself and so far increasing the flow in my tank has made a big difference. It's not completely gone, but it's been on a steady decrease over the last few weeks.

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post #9 of 19 (permalink) Old 02-11-2014, 04:12 AM Thread Starter
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Originally Posted by annyann View Post
I think your tank is really neat looking and should be great for the fish you want to add. Just make sure like with any tank you have good water circulation.
I'm dealing with BGA right now myself and so far increasing the flow in my tank has made a big difference. It's not completely gone, but it's been on a steady decrease over the last few weeks.
that may be part of my issue now, there is no circulation as there is currently no filter
no fish either
but its also been set up for maybe 7 days today... lol

Im going to suck out what i can and hit it with antibiotics
i think im going to get the sunsun canister filter too, will allow me more freedom to place the output to keep circulation going
that is one issue i think i may run into, with the shape of the tank it can have spots with low or now circulation
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post #10 of 19 (permalink) Old 02-11-2014, 11:00 AM
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Blue green algae likes lots of nutrients, and lots of light. If you have a well planted tank, the plants out compete BGA for nutrients. If you have few plants, lowering the intensity of light by lower wattage bulbs, or moving the light further away, will help. My 3g bowl had BGA during the first few weeks after setup, so I did frequent water changes. Now that the plants are actively growing, no BGA for the last few months, and I only do water changes every few weeks. Antibiotics will mess with the biofiltration, and lead to more problems with excess nutrient levels.

Why is the "next" tank, always the most interesting?

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post #11 of 19 (permalink) Old 02-11-2014, 12:03 PM
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Quote:
Originally Posted by yashmack View Post
its handled that bio load before
i dont fill the tank to the top, its around 10 gallons if filled to the brim
around 8 gallons and you double the available surface area
it is about as wide as a 10 gallon standard aquarium
there is plenty of room in there
Iv'e got lamp globes/shades, that are bigger than the bowl pictured.
Unless what look's to be a shop light mounted directly over the top is 2 feet in diameter ,,the tank is no where near ten gal.(or eight).
For now,,I would raise the light up off the tank at the very least.
Add some more plant's (if you have room).feed the plant's,and algae will have tougher time.
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post #12 of 19 (permalink) Old 02-12-2014, 01:30 AM Thread Starter
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Quote:
Originally Posted by roadmaster View Post
Iv'e got lamp globes/shades, that are bigger than the bowl pictured.
Unless what look's to be a shop light mounted directly over the top is 2 feet in diameter ,,the tank is no where near ten gal.(or eight).
For now,,I would raise the light up off the tank at the very least.
Add some more plant's (if you have room).feed the plant's,and algae will have tougher time.
its definitely 10 gallons, ive measured quite a few times in the many years ive had the tank
I normally fill it with about 8 gallons

Ive turned the light off until I get the antibiotics and will be adding some java ferns to the tank soon
I will also dose with excel and add a filter back in
will also reduce how long the light remains on

thanks for the advice everyone
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post #13 of 19 (permalink) Old 02-12-2014, 10:37 AM
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Where on earth did you get that tank? It is so cool. I love the shape.

Why is the "next" tank, always the most interesting?

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post #14 of 19 (permalink) Old 02-12-2014, 01:27 PM
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BTDT...the BGA. Use the 13W bulb instead. Put in a fast growing plant and just trim it often. Java Ferns don't qualify as that. Even a small piece of floating Hortworth does.
Too much Watts for that small of a tank and no plant growth to use up any ferts.
That antibiotic will not harm the filter but use as directed. Try regular baby tears
across the back and keep it trimmed to not reach the surface. Faster growing than DHG and uses up the nutrients. It looks like this. Stick/w 6500 but do 13W.
https://www.plantedtank.net/forums/pi...ictureid=47161
https://www.plantedtank.net/forums/pi...ictureid=47153

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post #15 of 19 (permalink) Old 02-12-2014, 05:14 PM
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I had an issue with BGA, I manually removed/trimmed my plants as much as I can without distrubing the plants at their roots. I cleaned my filter which greatly improved flow and I pointed the spraybar more towards the surface to get better gas exchange. I have a medium to high light tank with CO2. I also upped my ferts and CO2 (NPK) and that's when I started seeing BGA receeding and now completely gone.


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