anon125ExplorerAug 15, 2014Tank odorsIn the past we stayed for several months in the same RV park in our MH. We used Exodor Bio-Pak drop ins for the black and gray tanks. Sometimes there was a horrible eggy smell when we dumped the gray ...Show More
viajanteExplorerAug 15, 2014I have tried many products over the years. The absolute best is Happy Camper. No odors or clogs at all.