Quote:
Originally Posted by md4958
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. |
I agree with this I got one when I bought beads and adjustable hygrometer from Shilala it has worked in calibrating all 4 of the other ones I previously bought. You can find them on various websites.