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Old 11-01-2020, 07:23 PM   #1
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Join Date: Feb 2019
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Holding Tanks question

We are going to run water through next time we use the camper to see what tank is what. Thanks for quick responses!

Question about our Forest River Arctic Wolf 315TBH8 holding tanks. One is marked sewage and one is marked waste water. Which one empties/dumps the black tank. Thanks!
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Old 11-01-2020, 07:31 PM   #2
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Location: Camano Island, Washington
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Well, sewage should be the black tank and waste water should be the gray tank.
Pics would be helpful and the gray line should be the smaller diameter line, compared to the black line.
Dan-Retired California Firefighter/EMT
Shawn-Musician/Entrepreneur/Wine Expert
and Zoe the Wonder Dog(R.I.P.)
2016 PrimeTime TracerAIR 255, pushing a 2014 Ford F150 SCREW XTR 4x4 3.5 Ecoboost w/Max Tow Package
4pt Equal-i-zer WDH and 1828lbs of payload capacity
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Old 11-01-2020, 07:33 PM   #3
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My guess would be that the 'sewage' is black water and the 'waste water' is grey. That's just a guess though. You can test it by putting water from the kitchen into the tanks and then dumping it. A clear elbow will help you see when the black tank is empty.
2015 Dynamax REV 24TB class C
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