Stainless steel 316 vessel size= 1000L
It is used as a storage vessel and contact with castor oil is possible while storing.
White stains can't be removed by either purified water or applying high pressure raw water. They appeared again after the cleaning and drying of the vessel.
Vessel cleaning procedure :
1) High pressure water gun (Karcher pump) - raw water
2) Cleaning by Teepol
3) Again High pressure water gun (Karcher pump) - raw water
4) Purified water
Vessel sanitization procedure :
By using hot water (80 -100 Celsius)
Yeah, usually purified hot water is used to sanitize that vessel and purified water is used in final stage of cleaning procedure.
Bleach will "stain" stainless steel a white color. It's actually an abrasion of the metal surface so it can't be removed but is still safe to use.
Is it so ? Thank you Barbara Tibbs for your answer. I will check about it.
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