Happy Hours® High Precision Mini Digital Easy-to-read 0.0 – 14.0pH 0.1pH Resolution Pocket Size PH Meter Water Quality Tester Acidometer Auto Pen Type LCD Monitor Ideal For Swimming Pool Pond Aquarium Laboratory Fishing Industry Food & Beverage Reviewhttp://tinyurl.com/q3wk48h Happy Hours® High Precision Mini Digital Easy-to-read 0.0 – 14.0pH 0.1pH Resolution Pocket Size PH Meter Water Quality Tester Acidometer Auto Pen Type LCD Monitor Ideal For Swimming Pool Pond Aquarium Laboratory Fishing Industry Food & Beverage Measuring PH range: 0.0 – 14.0 PH; resolution: 0.1 PHThis digital pen style pH meter is an ideal instrument for aquarium, food & beverage etc.Lightweight, [More]