Im in full agreement with Bob. The easiest way to perform the "salt test" is to buy one of these
no mess, no fuss, and they last 3 months, so you can loan it to a friend when youre done.
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"One fart can foul the air for everyone" - Esteemed philosopher
"If avoiding the nasty $hit is being a snob, them I am guilty as charged."- Same esteemed philosopher.