Lf icecap salinity tester

[kapow!]

Thanks. Is hanna any good?

[hillegom]

I wear eyeglasses as well.
I cannot see through the refractometer with my glasses on either.
So I take the glasses off and turn the eyepiece on the meter until the focus is proper.
I was under the impression that they were all like that.

[GreenSpottedPuffer]

Originally Posted by kapow!

Thanks. Is hanna any good?

Not sure but I have been planning to try it or something similar.