Here as with many topics, Kevin Kelly's book Out of Control -- which
seems to touch on nearly every topic under the sun -- is valuable.
Kelly devotes many pages to the enormous difficulty marine scientists
have had in establishing artificial reefs and sustainable aquariums.
The process is enormously complex, and evolves complex evolutionary
patterns affecting many different microbial organisms. That book is
an education. Anyone who wants to understand aquatic biosystems ought
to have it on the shelf.
JBB
On Saturday, Jan 14, 2006, at 18:46 Asia/Tokyo, M. G. Devour wrote:
Any well established fish tank has a substantial colony of a number of
varieties of bacteria, whose job it is to break down fish waste and
decaying food into the least harmful possible chemical constituents,
which are then removed during routine partial water changes. (At least
25% every week...)
If you use antibiotics or CS in the tank, then this "biological
filter," which lives in the gravel and the mechanical filter system,
can be disrupted. Not only does this stop the conversion of toxic waste
matter into more benign forms, but it also creates an additional burden
as billions of dead bacteria dump their own metabolites and waste
products into the water as well.
--
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