Fish
In practice mostly cichlids are used for home- or commercial projects that set their goal to cultivate eatable fish.
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Most of the green leafy vegetables are very good to cultivate in the hydroponic filter. Even if sometimes selected minerals or nutrients like for example iron are added, the main source of nutrients for the plants comes from the fish offal.
Most of the green leafy vegetables are very good to cultivate in the hydroponic filter. Even if sometimes selected minerals or nutrients like for example iron are added, the main source of nutrients for the plants comes from the fish offal.