You will have no issue with black tank for 9 days. You will most likely need to get rid of some gray. How you get rid of gray will depend on the rules where you are camping.
In many places a couple of 5 gallon bucket loads is all you will need to get rid of a little gray water. Have never needed a dump tote.
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Zack and Donna plus Millie and Ranger
2018 3160RL
"Life is too short to stay indoors, enjoy the ride!"
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