Hanna Checker - Chlorine Marina pop top lid and a

pop top lid and a wrap around desiccant liner to protect strips from moisture intrusion

Turn these tanks into an instant system by adding a filtration module

Dosage: 2 oz treats 240 gallons

) and includes gaskets

unique die cut slits

Hanna Checker - Chlorine Marina pop top lid and aHanna 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