Comment: Yes I do have fish in the tank

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Yes I do have fish in the tank

Which makes it aquaponics.
But you don't have to if you don't want

All in all aquaponics is really just hydroponics, with a natural source of fertilizer.

basically all I have to do is replace the water that evaporates and feed my goldfish

if yhou wish to excellent examples of aquaponics, you can follow the link on my project website here:
http://urban-farming.ca/cms/resources