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Where to install a biostation. Drainage well, is it necessary or can be dispensed with. Add bacteria or not. Preserve the station for the winter or not. How to prevent the vent from freezing. How to prevent the air duct from flooding. How to clean and how many times a year. Septic tank or biological treatment station Website: http://www.teplowoda.ru/ VK: https://vk.com/club77517367 Telegram channel: https://t.me/teplowoda Facebook: / teplowoda1 Zen: https://dzen.ru/id/5fd8d6670e30e806cd... Rutube: https://rutube.ru/channel/30591681/