Hanna Phosphorus ULR Checker HC-HI736


The Hanna Phosphorus ULR Checker is our most recommended phosphorus testing tool. It provides highly accurate, easy and quick results. The checker has a large LCD display allowing for easy understanding of parameters. This unit measures in ppb and is easy to convert to more commonly used ppm using the provided conversion chart. You’ll get a number and not have to decipher a color chart!