The second 300g tote could be turned into a large biologicial trickling type of filter that traps solids and processes ammonia. Another option is to use both totes as connected (piped one flowing into another) or separate raising tanks to reduce the biomass in each tank. Have overflow of both tanks discharge into a 55 gal barrel that acts as the trickling filter. A good efficient 55 gal trickling filter should handle 20-30 HSB in 300-600 gal of water. Put a bottom drain in the trickling filter to periodically drain off the settled solids. Decaying settled solids (mostly fish manure) puts a very big biochemical oxygen demand and increase of ammonia production on the recirculating system.
Last edited by Bill Cody; 01/04/08 09:42 PM.
