• We are currently upgrading MFK. thanks! -neo

Algae scrubber as bio filter.

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Recent algae gowth, on upflow scubber.
I will be adding 3 more lights., and see what kind of bio load it will take.
 
Just bumping this up. February is here, warm in g up enough to perhaps start reworking the 20 year old 75 gallon relic, into an algae scrubber, with a bunch of bells and whistles.
 
I have not closed the valve on the sand reactor, just yet as I am attached to those fish.
My 30 gallon fry tank will be first to test. It is in the loop to the sump. If ammonia builds too fast. I will easily be able to open one valve and cycle the water. Thru the sumps bio balls. I am not planning on any fatalities.

I just want to see how much of a bio load, an algae scrubber can handle. If it works, it will give me the ability to hold nitrate much lower than 20ppm, as most of the ammonia will get absorbed by algea, and not converted into nitrate.
I have always fish less cycled new tanks, allowing a couple of months to pass. So I am unsure as to how fast ammonia can build up. With 30 gallons and 30 inches of fish.
I have about 20 fish too cull from my main tanks, I will probably add a couple at a time until, ammonia is detected.
Thought maybe adding pure ammonia per day, to mimic so many fish. I have no idea, how much it would be.
 
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30 gallon cube. Bio filter is a 50 square inch algae scrubber.
Water is 72 F
Nitrates at 20+ppm
3 crawfish
2 small African cichlids.

Waiting for nitrates to drop to 10ppm. Then I will add a 2" cichlid per day, until ammonia registers.
 
Update, the new lights, were of the wrong spectrum, misslabled. Then summer arrived and left. So I will be trying out the new version, here shortly. In a completely new setup. That will also permit some other random experiments.
 
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It is nice when things work as intended. At about 250 GPH . Waste gets pushed through the baffles.
Got the lights rigged and working, now to let the AMMONIA increase, to noticeable levels. I have up to two 8 x 12 algea scrubber screens to add. That are green and ready to absorb ammonia.
I want to how many fish a square inch of scrubber will support.
 
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