Hanna Checker - Nitrite

Hanna Checkers are small, handheld colorimeters that provide higher accuracy results than typical chemical test kits. Offering improved technology, these portable colorimeters make measurement hassle-free with their simple design and easy to follow instructions.
Features at-a-glance:
•Easier to use and more accurate than chemical test kits
•Dedicated to a single parameter
•Small size, big convenience
•Ideal for: Aquaculture & Aquariums, Water Quality