We ended up having to take ours to the RV repair place because I could not fully turn off all the water. We were on the road when it happened to us. We kept an empty bucket in the shower and as we showered, we let the bucket catch most of the water that would have gone into the gray tank. We used it to flush and rinse out the commode til we could get it fixed. Just do your thing, depress the foot pedal, and pour water from the bucket. Usually does not take an entire bucket to achieve success.
Ken & Val [Lexi's mom] Moczygemba & Tori the dog
2015 Forest River FR 3 30DS [Lexi II]