Hanna Checker pH Tester with 0.1 pH Resolution Sera copper-Test (Cu) Rinse the test tube with

Rinse the test tube with clean water offer use

They are hardy and easy to care for

Compact design with pivoting cartridge heads is perfect for small spaces

plant as usual and the plants stay rooted in the substrate

The closest match indicates the ppm (mg/L) of nitrite in the water sample

Hanna Checker pH Tester with 0.1 pH Resolution Sera copper-Test (Cu) Rinse the test tube withFrom students to researchers, the HI98103 Checker has been helping people with their pH measurement as a meter that is simple to use and operate. The simple, one button operation and large display makes it easy for anyone to test pH at home or in the lab. The Checker maintains the iconic pentagon design with a probe that measures 103 mm in length and tapered to a 8 mm diameter making it ideal for test tubes and vials. Extend the life of your Hanna pH