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Hatchery Supply Water Quality Concerns

Ammonia 0.0125 ppm
Chlorine 0.03 ppm
Copper 0.006 ppm in soft
water
Hydrogen Sulfide 0.002 ppm
Lead 0.03 ppm
Nitrogen less than 102% of
saturation
Solids (suspended and
settleable)
80 ppm
Zinc 0.03 ppm
Dissolved Oxygen (DO) 5 – saturation
Carbon Dioxide 0 – 10 ppm
Alkalinity 10 – 400 ppm
pH 6.5 – 8.0
Hardness 10 – 400 ppm

From: Fish Hatchery Management

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