Hanna Saltwater Aquarium pH Colorimeter Checker

Get accurate water testing results with the HI780 Marine pH Colorimeter. With a digital read out, there is no more struggling to determine colors visually. This pH tester's compact design fits in your pocket or stores easily in your shop. - Easier to use and more accurate than chemical test kits. - One-button operation makes getting your pH results simple. - Great for aquariums and marine environmental testing.