How do I set up an aquaponics system and what does it cost?

Aquaponics combines fish farming with soilless plant growing, where fish waste feeds the plants and the plants clean the water, so you are running two biological systems linked together. A setup needs fish tanks, a biofilter, grow beds or rafts or NFT channels for the plants, pumps, aeration, and usually a protected structure, which makes the cost moderate to high, often comparable to or above a hydroponic setup of similar size depending on scale and automation. It is more complex than hydroponics alone because you must keep both fish and plants healthy at the same time, balancing fish stocking, feeding, water quality and the bacteria that convert the waste. Power reliability is critical since the fish need continuous aeration and water flow. It appeals to people because it integrates fish and vegetable income and uses water efficiently, but the dual complexity raises the skill bar and failure risk. Get itemised quotes, plan reliable backup power, and learn the system at a working farm first. Check with your state horticulture or fisheries department for any applicable support and costs.