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msl511

Getting rid of drain cleaner residue

msl511
9 years ago

I'm hoping there's someone here who can help.

I've used Drano and Liquid Plumr without problem in my shower drain. Yesterday, I was in my local hardware store and the guy recommended Pequa drain cleaner instead. He said it was better.

I used it according to directions: poured in half the bottle, let it stand for 3 hours and then rinsed with warm water.

When I was putting it in the drain, some splashed on the floor of the shower, which is stone. Not marble, but sort of river stones.

Everything looked fine, but when I came back a couple of hours later, after the floor dried, there was a white residue on the black stones. I tried running the water to rinse it more, but that didn't help. The shower floor got scrubbed with a scrub brush this morning, but that didn't help. When it's wet, you can't see it. But when it's dry, it looks like white paint got splashed on the floor.

I've called and emailed Pequa, but no response so far.

The bottle says the drain cleaner contains, potassium hydroxide. Does anyone know how to clean this off my shower floor?

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