When we come in (just the last few days) there has been an awful odor that hits you but when you open the sink cabinets the odor is very strong. Gray tank has been dumped black doesn’t need it yet I’ve put in chemicals I read somewhere that there was a vent under the sink that needs attention but I don’t remember where I read this. Any ideas on clearing this odor.? Thanks very much.
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Ron & Ann
2 Toy poodles and 1 mini doxie
2013 jay flight swift 267bhs
2011 Toyota Tundra crew max