Holy Green Water Batman!
Hi. We found a 14g bio cube missing it's pump, it's plastic tube, and the charcoal filter. We are waiting for the correct parts to come in to fix it. Until then, we have been using it as a barb tank. We have a 5g stingray filter in the front of it for now with bio-balls in the back half of the tank with some white thread pad thing. (No idea what it is.)
Our issue is a ravenous algae/green water infestation. We've done 90% water changes in a ROW, the tank has half grown and floating wisteria that would do a tank twice it's size just fine, AND only 4 barbs in there...We leave the lights on between 10-12 hours a day and SOMETIMES forget it and it stays on for 14...but even then it's only the blue one on that long. Every day by the end of the day, the green is back, and makes it tough to see the other side of the tank...and it's a small tank in comparason to other biocubes. I'm so confused. What can I do to help this tank along? It's almost completely cycled if not all the way there. There's no issues with nitrates/nitrites or phosphates, pH, or trace elements. The only change has been the need for 90% changes daily and its not doing a thing but giving us a few hours, and some really stressed fish. For that, we've been adding betta safe.
I might also note that I have the gentle barbs in the world that cuddle at night and have never fin-nipped. I would even wager that an aquatic frog or betta would live in there with them.
Yeah cause THAT helps my REAL issue.
My LFS had a tank that was suffering that same green water. It was in one of their planted show tanks, it's a 100gl high. No amount of water changes was making a dent in this algae bloom. In the tank they keep a pair of platinum angels, a huge school of Harlequins and a three SAE. They did a 90% water change, turned off the lights and did a complete black out for what I believe was about three days. The fsh were fine through the black out and it solved the problem. Maybe you might try it??
The best way to kill them is as Kymmie said a total blackout of 3-4 days.
Plants will suffer but the algae will die for sure. No peeking no looking no nothing. 3-4 days of total darkness. Use a thick blanket or something that does not let light pass and cover the ALL the tank.
4 days later you will have ugly plants, starving fish and non green water.
Now how about that wager?
My wager is that cowgirl's algae will die but that her plants will not look that ugly when she is done.
My wager is a handful of cuttings from any plants in your tank that I want. If you win I will send you as many RCS as you want! Shall we pinky shake now, or later??
I don't want to do that to my poor fish and have them die. The stress of not eating for three days, I don't want to risk, and I've heard that it is only a temporary fix and the issue comes back. Why risk hurting my fish like that if it doesn't cure the issue?
Fish can go without food for three days, no problem. It wasn't a temporary fix when my LFS did it. It solved the problem. I visit this LFS on a weekly basis and this particular planted show tank is beautiful.
I truly think a three day black out wouldn't pose a problem at all if your fish are healthy to begin with.
Also want to add that if I had this problem in my Discus tank I wouldn't hesitate to do a 3 day black out. To me it doesn't pose a risk.
"lights on between 10-12 hours a day and SOMETIMES forget it and it stays on for 14...but even then it's only the blue one on that long"
Cut back your lighting, if need be buy a light timer from the home improvement store. BTW what do you mean by blue light? You saying that makes me wonder if your talking moonlights or if you have an actinic bulb on that tank.
Whatever light that tank has change it for a 24W Osram 865 if you can put one in. Cut back the lights time and get a timer as Mikaila31 sugested, that way your lights always go on and of then they should.
The blue light... I'm not sure what it is but it might help the algae, some lights actually help algae grow.
For the algae problem you can do one of 3 things:
1)Blackout, kills them all and for good, no fish will suffer, just feed them well before you do it, i kept my fish without feedign them for longer than that and there was not a problem, even humans, dogs, cats, etc. can go that long without food. In the wild nobody feeds the fish, they eat when they can if they can.
2)Buy a aquarium uv sterilizer, will solve your problem and if there is any comeback you can always use it again.
3)Use the redfield ratio that is explained here:
Those 3 methods all work and they were posted from easy to hard.
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