Thanks for the replies.
I will insist the super bring in a plumber with pro equipment, -longer, thicker, snake, remote camera?, etc.
I have no way of knowing if there is a baby upstairs.
I hope it's just adults getting ready for work, all showering / bathing at the same time.
I don't want to...
Thanks again Jim,
"To be blunt...it's likely the highly diluted sewage of those above you that can't get out to the main sewer line because there's some blockage, slowing it down."
As to detritus I then see every morning, as pictured above, would you say that this sewage has left behind rust...
Hi Jim,
Thanks for the response.
First, any idea of what that reddish material might be?
And why would it come up even with the drain closed?
I should have mentioned in my original post that the drains aren't visibly slow, let alone backing up the rest of the time, even under a maximum...
Hi, and thanks in advance for your help.
Please let me give you all the facts, then the description.
I live in a 50 year old apartment building in Brooklyn, NY.
My family has been this apartments only tenant, the entire time.
Though not a "luxury," building, tenants are paying from...