2.8-4.4 Range 100 Strips Wine Making pH Test Strips Description Includes: (100) Strips of pH Testing Paper This is the perfect pH paper for testing your water during the wine making process. You just place a drop of water on the end and then match it up against the color coding chart. Much more economical than a pH pen. Features: 100 strips per vial Measures ph from 2.8 to 4.4 This product is highly durable Includes: (100) Strips of pH Testing Paper This is the perfect pH paper for testing your water during the wine making process You just place a drop of water on the end and then match it up against the color coding chart Product Details: Product Dimensions: 2.7 x 1 x 0.7 inches Item Weight: 0.634 ounces Manufacturer: hBARSCI Item model number: B00DDWR4AQ Is Discontinued By Manufacturer: No Date First Available: June 13, 2013