I use a refractometer that i used to see what my 35+ year old swing arm read at the same time. The swing arm was off from the refractometer so I made a mark on the swing arm where it was at after just checking with the refractometer at 1.026.
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Is this for 1.026, 35 ppt? Can this solution be used in a refractometer? @Randy Holmes-Farley
I mixed this solution the best I could. My scale can read 0.1 but not .01.