Hanna Phosphate Checker - High Range Boxfish one behind the eye and

one behind the eye and the other on the mid-body

Freshwater fish and plants often come from environments with very different mineral levels

API Melafix 16oz Dosing Directions

Fluval Premium Aquarium Kit with LED - 29G Tall

Tube format: Seven 4 g aluminum tubes

Hanna Phosphate Checker - High Range Boxfish one behind the eye andHanna Phosphate Checker High Range The Hanna Phosphate Checker High Range HI717 is a handheld colorimeter for measuring phosphate from 0. 0 to 30. 0 ppm. It is designed for applications where phosphate levels may be higher than standard low range or reef focused test kits can measure effectively. HI717 High Range Phosphate Testing The HI717 reports phosphate directly in ppm and uses a digital colorimeter reading to reduce uncertainty from colour chart