Brownish goo coming out of gap behind bathroom sink
A mysterious substance is seeping out of a small gap between the bathroom sink countertop and backsplash, returning just two days after being completely cleaned and dried. This leaves people concerned and unsure of what steps to take next to handle the recurring growth.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
- 1guessing it might be wet lint or dust
- 2Cleaning and drying the area repeatedly
- 3Considering sealing the gap with bathroom/silicone caulk
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
“my partner and I are concerned and don’t know what to do about it now.”source ↗
“I have a very small crack/gap between the backsplash and the countertop behind my bathroom sink. Something is slowly oozing/seeping out of the gap. It's brownish goo and I can scape it off.”source ↗
“What’s strange is that I can completely clean and dry the area, but within about 2 days, the substance comes back.”source ↗
Where this came up
People with this problem also raised
- 2Why are my bathroom walls wet and brown after a shower?
- 3Why is this wall discolored if it is not wet?
- 2Why is the paint on my bathroom ceiling peeling?
- 4Why does a white crust keep coming back on my bathroom sink?
- 2Why am I finding silverfish in my bathtub and drains?
- 3How to clear heavy bathroom steam without an exhaust fan