Hanna Phosphate Checker

Used 4 New Reagents 2 Clear testing TubesSealed Box with 25 reagents. Value ~$20 included The Hanna Phosphate Checker is an awesome little tool that will give you accurate easy to read results. If you have bad eyes or have a hard time with color change test kits, the digital readout on the Hanna checkers is super easy to read. The biggest key with Hanna checkers is keeping the vials nice and clean for consistent results. impeccable for everyday use. premium materials and excellent craftsmanship ensure long-lasting durability.