On Fri, Jun 1, 2012 at 11:32 PM, cdb wrote: > Now, I can sort of see how these mystical pellets may well cause the pH > level to change, but my ' what crap! ' radar went into full swing on > learning that these ceramic coated balls give off " far infra red > wavelengths ". I'm sure they do if you put them in the microwave first! --=20 Martin K. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .