Colorimeters

Saltwater Aquarium Ultra Low Range Phosphorus Colorimeter – Checker® HC

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 […]

Low Range Phosphate Colorimeter – Checker® HC

Achieve accurate water testing results with our simple handheld colorimeter. Trust your readings now, our low range phosphate colorimeter brings you more precise technology than your average chemical test kit. By determining your results digitally, our handheld colorimeter eliminates the effort of matching to a color chart.   Small and portable design to take it […]

Saltwater Aquarium Alkalinity Colorimeter (dKH) – Checker® HC

Get accurate results for your saltwater aquarium with our simple handheld colorimeter. Our alkalinity colorimeter bridges the gap between alkalinity test kits and advanced instrumentation. Standard test kits have limited accuracy since they rely upon the human eye to match colors. Our handheld colorimeter eliminates the hassle of matching to a color chart by providing […]