How to Maintain a Healthy Black Tank

As a mobile RV tech I have addressed many black tank problems, ranging from simple clogs to tanks that have fallen off their supports. An RV black tank has a very important job to do and works well when it is given the proper tools and conditions. The black tank is not complex, and works by breaking down the solid waste into a slurry, allowing it to exit the tank without clogging. The solids are broken down by bacteria and lots of water. Some of those bacteria give off methane, others do not, and methane is one of the chemicals that gives black tanks their unpleasant smell. The key is to encourage the less-stinky bacteria to flourish and keep the stinky buggers away. Given a good environment and enough water, the solids are broken down within 24-48 hours.   Here are some questions I’m frequently asked about black tanks: I …

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