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Originally Posted by kari
So what's up with these precision portable refractometers?
At the Calgary meet we compared 3 units that seemed to have a SG0.007 discrepency. I'm assuming that the other two units were calibrated and allow for temp correction aswell. Could be a case of my ignorance since I just purchased mine recently.
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What was the reading from my tank? I use a cheap hydrometer type and it says right between 1.025 & 1.026