HarryS wrote:
We have a black stain on the bottom of a procelain bathtub. We
thought that this stain was mildew but our old tried and true
solution to mildew in the bathroom (a solution of 20% liquid laundry
bleach that will eliminate mildew stains from tile grout, tub caulk,
etc.) didn't even faze it. Scrubbing doesn't affect it. The stain
doesn't cover the entire bottom of the tub evenly, rather it's
somewhat mottled in appearance. It's a little rough to the touch.
We live in Springfield, MO and have seen a tub in another home with
this same type of stain and those folks couldn't get it off either.

Does anyone have any idea how it can be removed.

How old is this bathtub? Did the stain appear gradually? Doesn't seem
likely but could it be that the porcelain has gone and you are seeing
the stained iron? If so, a mild acid such as those used in prepping
steel for painting should show you...

Tried a scouring cleanser? Steel wool?


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dadiOH
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