hydroponics?

Image by itsbeach
everywhere you turn in santa cruz, you see ads for hydroponics places… i wonder why?

Question by bb: hydroponics?
wanting to do a small hydroponics garden for my first grader and i cant find a store to buy the mediums or the fertilizer can somebody please help… I do not want to buy online or guess really i cant lol no credit card.I am planning on using an ebb and flow system with tomato plants

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