Make aquarium water testing easy with Checker Colorimeters from Hanna Instruments. Powered by a single AAA battery, the Hanna Phosphate Checker will display Phosphate readings with the single push of a button. Having high Phosphate levels inside your aquarium contributes to undesirable algae growth. Regular water testing will help you form a plan of action to eliminate Phosphate and curb nuisance algae growth. For more aquarium product news and reviews, subscribe to our YouTube channel!

Detailed specs and product reviews about the Hanna Instruments Phosphate Checker are available on our website: