Quote:
Originally posted by hahnmeister
Wet Drys are notorious nitrate producers... just because you havent seen that result yet, or perhaps your LR is keeping up. People can have nitrate problems for a variety of reasons beyond a wet-dry, so to deduct that wet-drys must not be part of the problem is not accurate.
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actually i said "it is safe to say that wet/dry filters alone do not cause nitrate problems."
not familiar with the phosphates. but it makes sense that if bacteria are breaking down complex molecules that contain phosphates, then phosphates would be released.
as far as bioballs being constructed for producing nitrates. yes and no. they where constructed to give maximum surface area for bacteria to grow on and allow maximum flow with the minimum of clogging. ping pong balls have been used as well as rock and sand. basically it has nothing to do with the type of bacteria as long as the bacteria will grow on the different sufaces. so im sure they made sure the bacteria grew on the media before marketing but i dont believe the media was engineered specifically for nitrosomas and nitrobacters only.
im just interpreting different findings and facts, ive never done any tests.
btw this is an excellent debate!