Original > Hot Tub Forum

How to remove rust stain from shell

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bwspa:
I have some rust stains forming on the top of the shell above the water line near the diverter.  What is a safe way to remove this?  I do not have high iron water (actually have high hardness city water).

Tub is white so it shows very easily.  Thanks

Sam:
Vinegar and baking soda

MarKee:
If the vinegar and baking soda doesn't work, try Goof-Off on a rag

LakeMomNY:
I stuff Vitamin C tablets in a small sock and then use it like a sponge - if that makes sense - to wash them off.

The Wizard of Spas:

--- Quote from: LakeMomNY on July 29, 2019, 07:54:07 pm ---I stuff Vitamin C tablets in a small sock and then use it like a sponge - if that makes sense - to wash them off.

--- End quote ---

+1

Iron Oxide is chemically dissolved by Citric Acid (Vitamin C beats Rust ever time)

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