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Dulling the shine on a stainless steel ball

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John Doe 206/04/2022 10:05:36
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I once poured some bleach or drain cleaner into a washing machine and it permanently stained the stainless steel drum !

JA07/04/2022 12:59:47
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I put a spare stainless steel ball in Harpic Original Limescale Remover for 18 hours and the result is a nice light gray satin finish.

Many thanks for all the suggestions.

JA

SillyOldDuffer07/04/2022 15:24:47
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Posted by JA on 07/04/2022 12:59:47:

I put a spare stainless steel ball in Harpic Original Limescale Remover for 18 hours and the result is a nice light gray satin finish.

Many thanks for all the suggestions.

JA

Good to know.

Harpic are naughty - their Original Limescale Remover was Sodium Bisulphate (half-neutralised Sulphuric Acid). The new 'Original' contains Hydrochloric Acid, so everyone who suggested Chlorine, Chlorides, or Hydrochloric Acid earlier deserve a Gold Star.

Other sources of Hydrochloric Acid, which are cheaper than Harpic if needed in bulk include Brick Acid, Patio Cleaner and the stuff used to clean swimming pools. Harpic has bathroom advantages, where SWMBO won't tolerate her Model Engineer leaving embarrassingly stained porcelain behind.

Dave

JA07/04/2022 17:24:18
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1605 forum posts
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Posted by SillyOldDuffer on 07/04/2022 15:24:47:
Posted by JA on 07/04/2022 12:59:47:

I put a spare stainless steel ball in Harpic Original Limescale Remover for 18 hours and the result is a nice light gray satin finish.

Many thanks for all the suggestions.

JA

Good to know.

Harpic are naughty - their Original Limescale Remover was Sodium Bisulphate (half-neutralised Sulphuric Acid). The new 'Original' contains Hydrochloric Acid, so everyone who suggested Chlorine, Chlorides, or Hydrochloric Acid earlier deserve a Gold Star.

Other sources of Hydrochloric Acid, which are cheaper than Harpic if needed in bulk include Brick Acid, Patio Cleaner and the stuff used to clean swimming pools. Harpic has bathroom advantages, where SWMBO won't tolerate her Model Engineer leaving embarrassingly stained porcelain behind.

Dave

It was new Original Harpic Limescale Remover and contained about 7% HCl.

JA

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