A2O Water - Made in USA, Combo Special: pH & Chlorine Test Solution Description Features: Need to test pH and chlorine? Great for testing most clear liquids Wide range pH test from 4.0 to 10.0 Fast results! Easy to use Product Details: Is Discontinued By Manufacturer ‏ : ‎ No Item model number ‏ : ‎ pH + Cl2 COMB Date First Available ‏ : ‎ May 30, 2014 Manufacturer ‏ : ‎ Sanastec International, USA Best Sellers Rank: #155,405 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #291 in pH Test Strips #291 in pH Test Strips Customer Reviews: 4.6 4.6 out of 5 stars 11 ratings