https://www.vetnurse.co.uk/f/nonclinical-discussions/22164/urinalysis---sg Hello, Quick question that hopefully someone on here will know the answer to (or have more ready access to their college/uni notes). I&#39;ve just done a urinalysis for a wee cat and SG was off the scale. I remembered vaguely that you can dilute the urineen-USTelligent Community 10https://www.vetnurse.co.uk/thread/144502?ContentTypeID=1Tue, 23 Jul 2013 13:04:43 GMT1a0763ec-3885-442c-853e-6cef656dfec5:bab4d183-b356-4dd1-abdf-ac5362dfaf3cSuzyM<p>Hi.&nbsp; For urine which SG is &#39;off the scale&#39;, dilute 1 part urine with 1 part distilled water, then multiply the part of the result after the decimal point by 2 (eg 1.040 would be 1.080).&nbsp; It&#39;s because the refractometer is calibrated to 1.000, not 0.&nbsp; </p><div style="clear:both;"></div>