One of the best benefits that you can have from your garden is the chance to create aquaponics. In this way, the water from the fish tank which is rich in nutrients will still be useful. From gardenercommunity.blogspot.com, a diagram of how aquaponic works is illustrated. First, is the water from the fish tank will go to the grow bed. What happens in the grow bed is that the bacteria will be cultured. Thus, clean water will be produced which will eventually go back to the fish tank to benefit the fishes.