I have dumped my black water into my "blue boy". It's something I don't like to do, but it works out ok in a pinch. The biggest thing is cleaning/rinsing it out good when you are done. I use bleach mixed with water for that and it seems to work as it doesn't have any nasty, long term odors.
1999 28' Safari
2012 F150 Platinum Max Tow 7650 GVWR 3.73 Elec. Locking Diff.(Prev 2003 Dmax).
Honda EU2000i, Equalizer Hitch
AM Solar Panels 150W - 2 Trojan T 105 6V Batteries
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