I was having troubles with the batteries always going dead in my digi thermometer so I bought a little glass thermometer and hydrometer built together. It was about $9, I wonder how accurate it really is.
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I was having troubles with the batteries always going dead in my digi thermometer so I bought a little glass thermometer and hydrometer built together. It was about $9, I wonder how accurate it really is.
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I'm going to look for some of that pin point salinity calabration solution and find out how far off my refractometer is. I hope it's not that bad.
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Well my swing arm read 1.0235 and my refract reads 1.025. When I read with RO/DI water and it reads 0. Not sure which one is correct or what else I can use to calibrate the refract?
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