Don't know if you can answer this Marshall but I'll ask anyway out of curiosity. Is it possible for the waste byproduct of aluminium processing plants added to mains water supply to contain any aluminium oxide - at all? N.
Date: Thu, 16 Jan 2014 19:56:15 -0500 From: [email protected] To: [email protected] Subject: Re: CS>OT - shower filter Alumina is aluminum oxide, a very hard ceramic. It has a wide range of uses, from grinding abrasive, plastic filler, electrical insulator (like for spark plugs), filter medium, paint filler/pigment, catalyst, and gemstones, such as rubies and sapphires. Marshall On 1/16/2014 6:40 PM, PT Ferrance wrote: Hi Joe, Is alumina the same as aluminum? If it is wouldn't that be a poor choice to shower in? Thanks. PT

