Modern septic tanks "Poplar" are made in a rectangular shape, so it is convenient to dig them. Inside the building there are four chambers for wastewater treatment. At the outlet of the septic tank, the water is 98% purified; it is suitable for technical use or irrigation. During operation, you must follow the rules and do not let large garbage, non-recyclable substances, cleanings into the sewers, and do not use household chemicals. Positive and negative reviews about the septic tank "Poplar" are presented below.