[taxcontrol]

Minerals are added to the fluid, often at ideal quantities specific to the requirements of the plant.

[editor-surveyor]

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Only water soluable minerals can be added.

Most of the necessary minerals are not soluable.

Hydroponics is a joke at best.

[editor-surveyor]

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Imaginary BS.

The reason why human nutrition requires consuming plants and animals is that so many of the most important things are not water soluble.