Triple Scale Hydrometer For Home Brew Wine Beer Cider Alcohol Testing ABV Tester Hydrometer Specifications_x000D_ Specific Gravity (0.99 - 1.17)_x000D_ Brix/Balling (0-35)_x000D_ Potential Alcohol (0%-20%)_x000D_ Feature_x000D_ 1,Handy Storage Case - will keep your hydrometer safe for years to come_x000D_ 2,Easy to read - Easy use colour scale gives you a visual guide of when your brew is ready._x000D_ 3,Safe Filler - Lead & Mercury Free_x000D_ How To Use_x000D_ Grape juice or wort in measuring cylinder, hydrometer up side down into the liquid level observation liquid in the cylinder and air junction hydrometer reading (angled liquid meniscus, while reading the number should read hydrometer scale and liquid surface meniscus tangent point scale value), record reading, check the following form to get grape juice and the proportion of malt, record number, is used to calculate._x000D_ Note_x000D_ When measuring the wort or wine temperature at 20 degrees at the most accurate measurement._x000D_ Alcohol cannot be directly measured, need to look up table._x000D_ Package includes_x000D_ 1x 3 scale hydrometer _x000D_ _x000D_