Bacteria play a crucial role in aquaponics. They serve as the bridge that connects fish wastes to the plant fertilizer. Plants feed on nutrients supplied by the fish and decomposed fish food. However, before a plant can absorb these nutrients, they must be converted into nitrates. It is the bacteria that convert fish wastes into nitrates, which become food for the plants.
Your choice of grow media will significantly impact the cost of building and maintaining your aquaponics system. That's why this guide is written to help you understand what aquaponics grow media is, what are the available choices and what will work best for you.