Hi there. I'm Michael with etrailer.com. Today, we're taking a quick look at the Dometic Premium RV holding tank treatment pack. This is going to break down the waste and toilet tissue in your holding tank to help prevent any sort of clogging. It's also going to help control the odors in a 40 gallon RV holding tank for up to seven days; even in hot weather conditions, which is really saying… see more >