Why is this hard ?

[Lavey29]

I use distilled water to calibrate my milkwaukee

Yes this

 

[Bhor217]

Get a hanna checker, it does everything automatically and is very accurate. Will tell you the temp too.

 

[exnisstech]

Not to be a jerk but if you going to fret over 001 variation on a salinity reading this is not going to be a fun hobby for you. Just saying ;)

 

[Bhor217]

Not to be a jerk but if you going to fret over 001 variation on a salinity reading this is not going to be a fun hobby for you. Just saying ;)

great advice, chasing numbers will drive you nuts and .001 variation is well within acceptable range.