Plant by the air flow through the roots of plants in the water depth in the tray continuous planting. The sheet of foam plant punch pieces 1 tray is 320 sponge pieces, or using a pumice stone.A device for adjusting the level. The plant will be the nutrient solution and air continuously, and the value pH in water to approximately 8-8.2 using nitric acid or acid corrosion.In this example, he used the seed salad and kale to demonstrate how we look.
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