How often do you calibrate your refractormeter??

[Myka]

Originally Posted by kamloops_reefer

everytime - I have a vertex one and find that its a pretty touchy instrument. and can fluctuate +/- 0.03

Yeah, I find the Vertex ones are pretty bad for wandering.

[Dearth]

I calibrate my vertex when I think about it which is once every month or so.