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I don't think I've heard of a bad refractometer, as long as you keep it calibrated. I'm looking at getting this one.
Automatic Temperature Compensation Sea Water Salinity Refractometer for Aquarium, 0% - 10% & 1.0 to 1.070 S.G. DUAL SCALE Hydrometer By AdeAdvancedOptics: Science Lab Refractometers: Amazon.com: Industrial & Scientific
I bought used. what ever you get, get the calibration fluid. I was off by .003 too low for I dont know how long.
Yeah ill probably do that tooYes. Again, the point is to keep it properly calibrated. Some do it after every use...when I finally get one I imagine I'll be doing it once or twice a month.
Just ordered this one. How it working for you?I don't think I've heard of a bad refractometer, as long as you keep it calibrated. I'm looking at getting this one.
Automatic Temperature Compensation Sea Water Salinity Refractometer for Aquarium, 0% - 10% & 1.0 to 1.070 S.G. DUAL SCALE Hydrometer By AdeAdvancedOptics: Science Lab Refractometers: Amazon.com: Industrial & Scientific