Wednesday, December 31, 2014
Stocking aquaponics with fish
I have seen two really useful pieces of advice about stocking densities
in aquaponics -
The first: Allow 2-3 kg of fish per 100 liters of water.
The second: Allow 1 gallon (4.5 liters) of water for every half inch (roughly 12-13 mm) of fish.
Both these techniques work out about the same in terms of water/fish, but you use them at different times. If you have fingerlings or goldfish, then the second piece of advice works well for calculating the minimum tank you need. If you want to know how much water to allow for growing your fingerlings out to plate size, then the first piece of advice is perfect.
However, when starting up you need to get your system established. Aim to start smaller and grow up to these densities.
The first: Allow 2-3 kg of fish per 100 liters of water.
The second: Allow 1 gallon (4.5 liters) of water for every half inch (roughly 12-13 mm) of fish.
Both these techniques work out about the same in terms of water/fish, but you use them at different times. If you have fingerlings or goldfish, then the second piece of advice works well for calculating the minimum tank you need. If you want to know how much water to allow for growing your fingerlings out to plate size, then the first piece of advice is perfect.
However, when starting up you need to get your system established. Aim to start smaller and grow up to these densities.
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