og accuracy

Yakima 728
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  1. Jean-Raphael Lavoie

    Rapt pill OG reading accuracy

    I calibrated my RAPT pill twice with the simple methode and still it's reading 0.007 lower than my hydrometer and my refractometer in wort. My hydrometer is calibrated at 68F and I do compensate for the temperature of the wort. My refractometer gives me a pretty close reading (within 0.002) of...
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