Quote:
Originally Posted by Snaz
http://en.wikipedia.org/wiki/Hydrochloric_acid
When you say 10:1 dilution ration it really is not descriptive if you do not know the original strength of the HCl. Industrial HCl would rot your sinus and lungs just by pouring from the bottle. This stuff is really bad for you and the environment.
Take the advice of others here, use vinegar and lots of elbow grease.
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Muriatic acid, is, I recall, 37% HCL. Diluted 10:1 gives 3.7%. Not sure the Molar value of that off-hand, but not terribly dangerous. And once diluted, it produces NaCl and H2O. Again, not terrible for the environment.
I used Acetic Acid (full strength Vinegar) once to try and clean my hydrometer. It melted it in about 10 seconds. Any acid is corrosive and dangerous in the right concentration, but diluted, they're all manageable. HCL is no different.