Hi all just throwing an idea out there for a sulfa based denitrator in an amazonian tank.

heres the problem.

the main tank in the lounge room doesn't and wont ever get the waterchanges it should. its ~800L with sump and gets 50% once every 4-6 weeks. the sump holds 60L of pondmatrix and aquaclay and runs a FBF with 500ml of purigen. It has a nice dense planting of watersprite but is heavily stocked (10 geos, 20 angels 4 Ospot BN's) so far so good my NO3 is never above 5ppm.

I'd like to move away from the water sprite as it wont fit with the biotype i want to setup.

the design is simple enough for a sulpur denitritor just wonderin if anyone can think of any other drawbacks?