Aquaponics involves the growing of fish and plants together in an integrated system. catfish aquaponics involves using channel catfish because they are a tolerant catfish species. in theory, any fish should be able to survive in an aquaponics system. however, the catfish is an exceptionally good choice as they are surprisingly tough.. The rule of thumb for any fish is 1" of fish per gallon. on larger fish its easier to figure one 12" fish per 10 gallons. if your tank is 1000 gallons, then abougt 100 gallons if your growbed to fishtank ratio is 1:1. conversely, you may be able to decrease the amount if you have extra growbeds (for extra media filtraion)..
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