luberhillExplorerSep 20, 2018when to dumpOk black and gray are empty but if we take a few weekend trips and use the toile and shower etc...how full should we have the tanks before dumping ? I know you do black first then gray,,,but do you r...Show More
NMDriver2ExplorerSep 21, 2018Flush when you have enough water to carry the slurry out of the tank. If it has only been used a time or two on a weekend trip I will add about 5 gallons of water before I flush the tank. I always start with 3 or so gallons of water in the tank or at least enough to have a couple of inches of water on the bottom before adding solids. You want a slurry to flush out not chunks and wads. ;)
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