Web aquaponics is a sustainable food production system that combines hydroponics and aquaculture. The first converts the ammonia to nitrites, the second convert nitrites to nitrates. The biofilter is essentially an extension of the surface area of your aquaponics system.
Simple indoor aquaponics children fish tank diy
Attractive diy home aquaponics
Diy radial filter for aquaponics
Simple Aquaponic biofilter prototype 1 & 2 Practical Sustainability
It is an efficient way to grow plants and fish in the same.