Water Conditioning

Water conditioning operations may be used to treat the water and increase the fish biomass that can be held for a given water flow rate. The rates of oxygen consumption and metabolite production and the tolerances of fish to concentrations of these substances are such that oxygen is the first limiting factor encountered. If aeration is used to replenish oxygen, then the second limiting factor reached may be either carbon dioxide or ammonia accumulation, depending on characteristics of the water supply (in particular alkalinity and pH of the water) and on fish tolerances.

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