Hanna Instruments pH Tester I2 and magnesium levels

and magnesium levels

The simple ON/OFF operation and durable

enhancing the colors of your aquatic plants and fish

making it a discreet and practical heating solution for both display and sump installations

Ideal for both marine and freshwater setups

Hanna Instruments pH Tester I2 and magnesium levelsThe HI98103 Checker is the next generation of the original Hanna Checker pH tester. The Checker is the most popular pH meter in the world with over 1 million meters used since its introduction in 1991. From students to researchers, the Checker has been helping people with their pH measurement as a meter that is simple to use and operate. One button operation Replaceable pH electrode 0. 2 pH accuracy Comes with all the necessary solutions and batteries