Having worked as a EMT many years ago if water doesn't cut it you can buy electrode conductive gel on-line and certainly if you have a hairy chest shaving will help. I do have a hairy chest but I sweat a lot and my sweat has high salt content so just using water works fine or me. For other try:
http://www.vitalityweb.com/backstore/electrode-gel.htm
Google is a wonderful thing
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The problem with the gene pool is that there is no lifeguard and the shallow end is much too large
2013 Noah RS