[GrowColt] shows you how to modify a lamp timer for use with hydroponics. You can pick up this type of mechanical timer at most local big box stores for around $5. The timer plugs into an outlet, and ...
Grow your dinner's ingredients in water-based systems made for small spaces, free of pests What if all you needed to grow edibles was water, light and a bottle of nutrients? Shutterstock If ...
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