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[APD] RE: urea/NH4, fishload and algae
If I understand what I've learned so far, if you are doing big water
changes you shouldn't be getting a build up of Urea unless you've really
gone crazy with the >>fish. How often/how big are you water changes?
I do the TB method of weekly 50-60% water changes with dosing at the change
and twice more inbetween.
Oh I don't think it's a buildup, from what I've read the problem is just any
amount of urea/NH4 that is created gets taken quickly by algae and thus you
get more algae growth. The fact I have algae would actually keep urea/NH4
levels down as they use it up. My idea was that the fluidized filter which
has massive oxidizing potential due to it's bacteria load, could help
convert it before the algae gets it.
All the posts I've seen with having lots of plants, good CO2, and fert to
keep algae down also involve a small amount of fish. As algae is
better(faster?) than plants at using the urea/NH4 I was thinking maybe even
with lots of plants, there's a point where the fish load is too much for the
plants to deal with it quickly enough to stop algae from growing.
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