[alt.aquaria] Denitrification Filter

baldwin@boulder.Colorado.EDU (D. Baldwin) (01/18/90)

  I have a 55 gal marine tank which I am converting from a fish only to a mixture of
fish and inverts. My nitrate readings are OK for fish but too high for more delicate
creatures. I am in the process of constructing a denitrifying filter. Basically water
from the lower depths of my tank will slowly drip into a "dark" box containing sponge
blocks fed with Coral life Ana food. The output from the sponge blocks will drip at the
same rate into the sump of my wet/dry filter. First question: Has anyone out there
had any experience with denitrification, ala the type of filter I am trying or
algae scrubbers or Nitrex boxes ? If so what can I expect ? If the system I am trying is
realistic , what should the flow rate be in terms of gal/day ? Should I feed the
anerobic bacteria according to the instructions on the Ana food ? Any advice or
comments will be appreciated.
			Dan Baldwin