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- May 7, 2005
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I would not be using Hydrofluoric acid even at low concentrations without using lots of personal protection.
emergency.cdc.gov
I use phosphoric acid for cleaning stainless at 5% solution which is a lot safer.
CDC | Facts About Hydrogen Fluoride (Hydrofluoric Acid)
Information on terrorism and public health. Provided by the Centers for Disease Control and Prevention (CDC).

I use phosphoric acid for cleaning stainless at 5% solution which is a lot safer.