There are many different type of aquaponics systems. These include media based, NFT(nutrient flow techinque) and DWC (deep water culture). Use this infographic to help choose the right system for you.
Six types of hydroponic gardening systems - Gardening And Living
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cool 7 Herbs that Grow in Water More - Herb Gardening Today
This is interesting 1 MILLION Pounds of Food, Fish & 500 yards of Compost on 3 Acres of Land!