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Removal and Prevention of White Streak on Stainless Surfaces

Why do white streaks develop on our tanks after using for sometime? Is it because of our cleaning (caustic soda ⇦liquid caustic soda in bulk on Amazon [affil link] ) and sanitizing (chlorine) solution are attacking the metal? How can we remove what is present now?

Patricio C [last name deleted for privacy by Editor]
fruit processing - Abbotsford, British Columbia, Canada
2003

May , 2008

Hi, Patricio. Chlorine is a major problem for most stainless steels. Are the tanks 316SS or better? letters 3354, 6370, 13241, and 32256 are just a fraction of the discussions you can review on that topic.

As for removing the current stains, I think mechanical polishing followed by re-passivating may be the most promising approach. Good luck with it.

Regards,

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey

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