Three format septic tank

Three grid septic tankThe structure and effect. The fecal liquid that flows into the third pool is generally already decomposed, and the bacteria and eggs in it have been basically eliminated. Kill and remove, can be used for fertilization. The main function of the third pool is to store feces. The third pool has a large and small volume, which is basically determined by the number of fertilizer applications and the amount of fertilizer applied each time. If the fecal water in the third pool is not used as fertilizer and is directly discharged for shallow soil filtration purification treatment, the volume of the third pool can be appropriately reduced. And the third can continue to function as the second pool.