On Mon, 23 Jun 2003 02:28:46 -0500, John Carmack <[EMAIL PROTECTED]> wrote:
>http://www.armadilloaerospace.com/n.x/Armadillo/Home/News?news_id=212
>I finally got around to ordering a TDS (total dissolved solids) meter for testing peroxide, so I will report some numbers next week.
Good. Bloody useful thing, a TDS meter. It will *really* help you chase down your poisoning problems.
-R
We tested it out tonight. As expected, distilled water read 0 ppm. Our local tap water read 146 ppm. The 40% food grade peroxide (Solvay brand) was 18 ppm. The 45% technical grade peroxide (FMC brand) read 232 ppm.
John Carmack
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