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Aquaponics is a method of growing vegetables and rearing fishes together in a recirculating system. In conventional fish farms, ammonia excretions from fishes that are being raised can accumulate in the water that increases the toxicity. The cycle starts with fishes excreting waste, which is broken down into ammonia and releases into the water. High level of ammonia (NH3) is harmful to the fishes. The filter filters out the solid waste and provides a medium for bacteria cultivation.The bacteria converts ammonia to nitrates. Nitrates-rich water is supplied to the plants which are grown hydroponically in trays and ensures healthy growth of the plants. Clean water is then recirculated back into the fish tank via the bell siphon and the cycle repeats.

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