Почему септик в песке не работает?

The "Beaver" septic tank solved all septic tank problems -    • Септик Бобёр решил проблемы всех септиков.   If you built a septic tank in sand, don't count on it lasting long. The cause of all septic tank problems is the dissolved organic matter in the wastewater, and the fact that most septic tanks built with rings are unable to remove it. Sandy soil stops absorbing water, and the septic tank quickly turns into a cesspool and refuses to accept wastewater from the house. How to build a septic tank in sand correctly so it will last a long time and function without problems? This is explained by Grigory Petrovich Balabanov, head of the School of Well Masters and founder of the Well Masters Guild.