Our tub and shower and two toilets have gray water just sitting in the what is the cause of this and how do we fix it?

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Originally Posted by larsanlewis

Our tub and shower and two toilets have gray water just sitting in the what is the cause of this and how do we fix it?

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You have a clog in the drainage system that's causing it to back up.
The solution would be to snake from either;
1) The lavatory roof vent
2) The tub waste and overflow, **or**
3) Pull a toilet and snake from there.
What's your pleasure? Tom