Biofiltration is ideally suited for removal of organic solvents and unwanted odors from polluted air streams.
R.C. Costello & Assoc., Inc
These biofilters work best for compounds that are biodegradable, water soluble, and in relatively low concentrations. Aromatic hydrocarbons
How do I set up a biofilter in an aquaponics system?
You need the extra filtration of a Beckett out-of-water pond filter. One reason is capacity---larger ponds need larger filters.
BECKETT FILTERS FOR LARGE PONDS