Hanna Checker - Calcium Saltwater Ball Valve of ⅝”) weighted tubing for

of ⅝”) weighted tubing for smaller volumes of air

polyethylene trays and boxes both stack when full and nest for storage just by turning them the other way

Recommended dosage is 1 teaspoon (5 ml) for each 10 gallons

Connections are 1/8” NPT female pipe

Keep a spare on hand

Hanna Checker - Calcium Saltwater Ball Valve of ⅝”) weighted tubing forHanna 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 200