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Hard caustic soda down a shower pipe

takethatfan · 2024-09-29 17:44:24

Hi all, caustic soda was poured down one of our shower drains a few years ago. There's this greeny/blue hard crystaly kind of stuff around the trap and down the drain. I think it's the caustic soda. Does anyone know how to clear it?

29-09-2024 5:44pm

#1

takethatfan

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Hi all, caustic soda was poured down one of our shower drains a few years ago. There's this greeny/blue hard crystaly kind of stuff around the trap and down the drain. I think it's the caustic soda. Does anyone know how to clear it?

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#2 29-09-2024 7:17pm

10-10-20

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Green/blue would indicate some corrosion of a brass part. It may have been a chromed part before the caustic soda ate the chrome off it, exposing the brass underneath. Scrubbing brush and maybe polishing it might be the best solution.

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#3 29-09-2024 8:09pm

takethatfan

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No brass. Just a white shower tray and trap.

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#4 29-09-2024 8:45pm

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Caustic will clear a pipe and leave no residue. So it's not the caustic.

1