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  1. M

    Black Tank Flush Newbie question

    Thank You. I did not get under my RV the first time. It was not labeled where we could see if. It was under the body and you could only see it be getting under. This is great, now we can empty that tank too. But there is no Grey tank that empties into this rear black tank!
  2. M

    Black Tank Flush Newbie question

    We have been out with our 2010 Heartland 35QSOB once for two weeks. We met some nice people at Paul's RV Park in Brownsville TX. They helped us with our first dump of our tanks. The problem is our rear black tank. We could not figure out how to drain it. We dumped the Front Black tanks and...
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