Item Description: A 1.8ml Vial of Honey Refractometer Calibration Standard, 19.5% Honey Moisture Content @ 20'C - NO UNPLEASANT AROMA! 1.8ml in a 4.0ml vial, so it will be HALF FULL - good enough for at least 25 calibrations. This will keep your Honey Moisture Refractometers as accurate as possible! We can special order any Brix or Refractive Index (nD) level you need! We sell more Refractometer Calibration Fluid at than anyone! That's because we are not a "me-too" shop! If you need a 30% Brix/Sucrose solution, we've got that! If you need a 1.35nD solution, we've got that! Pricing can vary from fluid to fluid, but at least you know where you can buy it! Leave it to the your Refractometer experts to have this available! Perfect for HIGH Brix Refractometers like our RHF-30ATC, RHFN-30ATC, HONEYfractometer, RHB-90ATC, RHBN-90ATC, ZGRB-90ATC, Atago HHR-2N and any other Refractometer that has a Honey Moisture Scale! For units that have "0" Brix in the scale, just use water (Water = "0" Brix). You can use this fluid for other brands of refractometers (Atago, etc...) as well. Heck, you can even test Digital Refractometers and Abbe Refractometers as well! This will work with any brand of Refractometer that has a HONEY MOISTURE scale! This fluid is laboratory prepared and repackaged in a 4ml vial for the use of calibrating HONEY MOISTURE refractometers, 1.8ML WILL BE IN THE VIAL - IT WILL BE HALF FULL, BUT ENOUGH FOR AT LEAST 25 CALIBRATIONS How to use the product: Simply place a drop or two of the fluid on the prism and close the daylight plate. Check your results. It should read 19.5% Honey Moisture @ 68'F/(20'C), if not, adjust your unit to that point. Done! Your refractometer is then ready for accurate testing! If you unit has Automatic Temperature Compensation, then the temperature at which you administer the calibration fluid is not a huge deal. For peace of mind, calibrate at room temperature to erase any doubts... THIS FLUID DOES NOT STINK EITHER! UNLIKE SOME FLUIDS, THIS HAS A NEUTRAL ODOR, I.E., IT DOESN'T SMELL! If you need the stinky fluid, contact us! We have that as well! International Clients: 3-8 Business Day shipping is $15.00 to the World and $12.00 to Canada. Express Shipping is available, but begins at about $50.00! Contact us for Express rates to your country! Other types of Portable Refractometers are available through our Store! . National Industrial Supply 30777 Rancho California #891420 Temecula, CA 92589, USA Sales: 951.308.9269 Fax: 310.833.7306 We prefer Paypal! Froo www.froo.com | Froo Cross Sell, Free Cross Sell, Cross promote, Marketing, listing Apps, Apps, Application Pay me securely with any major credit card through PayPal!