Coil Denitrator?

[Osiris]

Originally Posted by BCOrchidGuy

PS I would think a Fluvel would be great as a housing for the coiled lines, input from the tank/sump and output into the sump at a controlled rate. Coils are supposed to be kept in the dark if I remember right so the fluvel would work well.

I dont know about the light thing but it's true the 403 is a dark smoked grey.


Wayne