Earn 55 points upon purchasing this product.
Get accurate results for your saltwater aquarium with our simple handheld colorimeter.
Our ultra low range phosphorus colorimeter brings you more precise technology from your typical chemical test kit. Standard test kits have limited accuracy since they rely on the user to match colors. Our handheld colorimeter makes your life easier by eliminating color matching and providing you a direct saltwater phosphorus result.
Stock up on reagents! This checker includes a starter kit for 6 tests.
Reagents for HI 713 Checker HC ®, 25 Tests
|Method||adaptation of the Standard Methods for the Examination of Water and Wastewater, 20th edition, Ascorbic Acid method. The reaction between phosphorus and the reagent causes a blue tint in the sample.|
|Dimensions||4.5 × 5 × 11 cm|