Thread: Hydrometer vs Refractometer
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Old 12-27-2008, 09:40 PM
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I've got the Sybon refractometer it came with a bottle of ultra pure water for calibration (water-- 0% anything +/- o.o1ppt) It's actually called "ultrapurewater"!
It seems to do the trick, although I've never tested it against anything else
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