Phosphate Ultra-Low Range Checker - Colorimeter - Hanna Instruments Aquarium Maintenance Modular system: independent module with

Modular system: independent module with filter media

whether rimmed or rimless it doesn't matter

2x 3mL Pasteur pipettes

G6 Installation Video

The selectable auto-off feature prolongs battery life for peace-of-mind and energy savings if the meter is accidentally left on

Phosphate Ultra-Low Range Checker - Colorimeter - Hanna Instruments Aquarium Maintenance Modular system: independent module withThe HI774 Ultra Low Range Phosphate Checker HC (Handheld Colorimeter) is a cost effective way to measure phosphate in marine systems, including reef tanks. Testing for phosphates is standard practice for saltwater aquariums and provides valuable insight into your reef tank's water chemistry to help ensure long term coral health. Phosphates are one of the many forms of phosphorus compounds found in marine waters. Excessive phosphate levels can prevent