Bill Schramm wrote:
> <?fontfamily><?param Courier New><?bigger>You can repeat your > experiments with hydrochloric acid. It is available in paint and > hardware stores in industrial grade where it is called "Muriatic Acid" > and is used to remove lime and scale (it also does a good job of > removing your skin, clothing, etc. so be careful) . Out of the bottle > it is about pH minus 1. > > Minus 1? ph is a logarithm and cannot be negative. > > Marshall
