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General Discussion / shower will not drain

« on: September 06, 2021, 11:32:57 am »

we love our PC and used it lots until......shower stopped draining.....after plunging, baking soda and vinegar, a really small "snake" and yes a chemical drain cleaner (ouch)   still plugged.  I cannot figure out how to access the plumbing from beneath the rig.  Sealed unit it looks like.  Have repaired leaks and changed out faucets and shower head but this sure has me puzzled.  Holding tanks have been drained and cleaned.  However my two thoughts continue to be 1) blocked trap 2) blocked outlet to the gray water tank.   ANY suggestions are greatly appreciated.  Our baby is a 2007, 29' rig with that wonderful green paint scheme.
Susan