Quote:
Originally Posted by Tim Parker
I use Muriatic acid purchased from Lowe's. This is what I do. Make sure the pipes are cold. Take a paper towel and put some Muriatic acid on it and clean the pipes off. Then soak a couple of paper towels in water, don't ring out the water, and completely rinse the pipes. Now use a couple of dry paper towels to dry the pipes. I don't use gloves at all. The acid is very mild. Now I use a stainless steel polish to finish if needed. Both side can be done very quickly.
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Using Muriatic Acid also known as another name for Hydrochloric Acid HCI, is a peroxide base and will remove the Chromium Oxide layer and over time pit the base metal if using it undiluted. Once pitted, dirt and other metals will adhere to the pitting and rust eventually completely through.
HCI is mostly used to pickle steel.