Collect excess rainwater, reducing the ground water situation. <br>This apparatus is divided into upper and lower levels, the upper pot, the lower the water storage tank. <br>When it rains, rain water falling into the water storage basin, is provided in the inlet filter, filter sand in water, using the upper rail pot <br>to fall into the water storage tank, the soil in the pot wet, after approximately 30 seconds means rises, the excess water flows back <br>into the water tank, the cycle once a day, morning and evening. Internal potted into soil and sand stone, using a sieve barrier blocking the <br>content stream out, the lower sand stone is again avoided topsoil. <br>When the water reaches a certain scale tank, the float is prevented excess rainwater from the outside entrance of water inside the water tank is prevented from overflow pot drops.
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