NANFA-- Filter-less aquariums
NATURNUT_at_aol.com
Fri, 2 Feb 2001 22:00:08 EST
I understand several aquarists have planted tanks with no filtration
except the plants themselves. The ammonia levels were at nearly zero, with
the nitrite readings the same. Nitrate levels were not as low, but still were
quite low. Some tanks incorporated a sump, and a 10 plastic tank heavily
planted with floating plants, and the water was returned back to the tank.
Others were completely self contained, but current is essential. The idea
that nitritifying bacteria thrives on every part of the tank(glass, plants,
rocks, gravel, sand, ect) was used. In many instances, a filter was placed in
these tanks out of curiousity, and did nothing in the way of lowering
ammonia, ammonium, nitrites, or nitrates. The filters looked very clean,
filtering out very little suspended particles. This topic has probably
allready been addressed, but if anyone has tried a filter-less aquarium,
please share your experiences. Sorry this is kind of off-topic! Thank you!
__Dan
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