limberyExplorerJun 19, 2013coffee grounds in the sink in an rv? y or n?Out the first time with our trailer, and wife dumped the used coffee grounds down the sink....I told her that I thought that we probably should refrain from as many solids as possible in the RV drain....Show More
ScottGNomadJun 19, 2013Nay, I can just see them getting stuck in the drain valve and keeping it from closing all the way.