Hanna Instruments pH Tester I2 making it a discreet and

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

The simple ON/OFF operation and durable

and magnesium levels

there’s a size to suit everything from smaller hobby tanks to large display systems

driftwood and shallow water sections

Hanna Instruments pH Tester I2 making it a discreet andThe 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