Sand filter
According to anthony calfo you can just fill a bucket with sand(fine granulate) And run water just over the surface , leaving the lid on the bucket to keep it dark, and this will absorb nitrates. I havent used one before. But i'm gonna try it sooner or later!!
__________________
90 gal with 55 gal sump dual 250 double ended hqi 14k geisseman, 33 gal prop tank geisseman 150 hqi 14500k,two cpr refugiums,P.M. calcuim reactor,tunze wavebox.
12 gal nano
55 gal freshwater planted/jaguar tank with sump, pc lighting, co2 
|