My Cheapest and Most Effecient Hydroponic System Growing Organic Lettuce

My Cheapest and Most Effecient kratky hydroponic system. This is such an effecient way to grow organic lettuce a pack of 20 cups cost 1 dollar add 3 inch net cups and growing solution and you have fresh organic lettuce. The reason this is so effecient is the volume of production vs space. These ta...

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