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toddziegler 09-01-2012 02:03 PM

Black out
I did a 72 hour black out on a tank to get rid of a bad hair /thread algae problem. It got rid of of most of the algae. There was however still some left. I had to turn the lights back on because of some very demanding plants were starting to fade fast. I was just wondering if the left over algae will come back or is it dead and just hasn't fell off. Anyone with black out experience let me know.

Diana 09-01-2012 02:25 PM

If it is still green then I would assume it could come back.
The black out has helped to reduce the population so maybe the plants will be able to take over.

Have you figured out what allowed the algae to get going?

toddziegler 09-01-2012 02:36 PM

Yes I think. I know that the bulbs were way to old and I believe that I had to many wpg. It was a 10 gallon tank. With 96 watt bulb I have reduced it to 48 watts. I know that still sounds like a lot for 10 gallons but the plants are all very demanding and difficult to grow plants. I do 2 water changes a week. I also monitor the fertilizer very closely. I have also raised the lights up on it. So its not getting the full 48 watts.. The hair/thread algae is the only problem I have with this tank. I also have the co2 running at what I think is enough to keep growth fast.

FenderOffset238 09-01-2012 02:57 PM

You're not using a bubble counter on your CO2? Is it pressurized?
Sometimes inconsistent CO2/fert dosing will trigger algae problems.

toddziegler 09-01-2012 03:05 PM

Yes I have a pressurized co2. I have an atomic diffuser. When it is diffusing it reads 20 bps@ about 30 pounds

jimko 09-01-2012 03:45 PM

Usually you find the issue and fix it and the algae goes away. There's always algae in every tank, but it only attacks when it's more favorable for the algae and less favorable for the plants. If you figured out the issue you don't have to worry too much about it coming back. It'll come back when there's something wrong.

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