Cannabis Science hydroponics Marijuana Documentary – The Geographic Channel

January 1, 2015 | Filed under: Videos | Posted by:


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2 Responses to Cannabis Science hydroponics Marijuana Documentary – The Geographic Channel

  1. The disadvantage of hydroponics is that you have to buy “plant food” or
    nutrients and supplements that are pricey.

    Sem Kimat
    January 1, 2015 at 4:12 pm
    Reply

  2. The Geographic Channel
    January 1, 2015 at 4:31 pm
    Reply

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