Toilet Chemical... what do you mostly use? We have lately used Eco-Save. We like scented, just because of the scent. The dry is just (See more)right for boon docking as it last so long, and it lubricates valves. A nice thing is it can freeze, shake it, works fine. First saw it used at a campground dump station. A newbie had a sun damaged blue 'stinky' hose that broke, and lost it's content all over the ground. It was a real hot dry day. The CG owner raked and shoveled any solids and flushed away in the bathouse.. He then put about an ounce or so of Eco-Save and some water in a spray bottle and spray covered the area. I watched the area that weekend and never a hint of odor or problem. I like it because it is not chemical based. Doesn't seem to be mass marketed, but available at a lot of campgrounds. Their web site list where its available in your state.