Quote Originally Posted by GaryP
I'm going to go to a floating hydrometer. The most ccurate in my opinion. The only real negative is that you have to adjust for temp. but that just means reading the adjustment off a chart.

That's how we did it in the lab.
Gary, are those better than this?
http://www.premiumaquatics.com/Merch...ode=Hydrometer

Steve, I had the same problem. I would calibrate my pinpoint every two weeks and it still was reading off right after a calibration. Dang pinpoint, my salinity went up to 1.028. Anyway, I think I am goimg with a Refractometer.