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Duncraig SHS Bush Rangers W.A. Cadets

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aquaponicsAquaponics has as many forms and variations as one can imagine, but the principal theory is to use plants to extract nutrients from aquaculture fish water, or alternately use fish to produce nutrient rich water to feed hydroponicaly grown plants.

It's as simple as it seems, pumping nutrient rich fish water into the roots of plants that extract the nutrient from the water. The principal method I deal with here is using grow beds filled with a gravel medium. Plants are grown in the gravel and water is pumped from a fish tank into the grow bed, draining through the gravel, and back into the fish tank.

A healthy grow bed

Fish support the plants

An essential unseen element to an aquaponic system is bacteria. Bacteria flourishes in the dark moist gravel filled grow beds, and breaks down elements in the water into a form which the plants can absorb and use. An aquaponic system is organic growing due to it's very nature. Synthetic fertilisers can't be fed to the plants or it will adversley effect the fish and the bacteria, the system has to be kept natural.

Experimenting with aquaponics can be a simple as as complicated as you like, it could be a simple as an aquarium on a sunny window sill with some goldfish, the water being pumped into some gravel filled pots above it, draining through the gravel back into the aquarium. Once you have tried something simple you can progress up to a system with multiple grow beds and high stocking densities of fish.

This information is graciously provided by Backyard Aquaponics and you can find out more about this technology by visiting their website.  Backyard Aquaponics can also supply all you need to start your own project.

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