Get accurate results for your saltwater aquarium with the simple Hanna Seawater Alkalinity (dKH) Colorimeter Checker. This 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. This handheld colorimeter eliminates the hassle of matching to a color chart by providing a direct saltwater alkalinity result in dKH units.

• Includes: 1x Hanna HI772 Checker; 2x Testing Cuvettes; 1x Bottle HI772-26 Reagents; 1 ml syringe and tip; ­­­1x Instruction Card
• Range: 0.0 to 20.0 dKH; Resolution: 0.1 dKH; Precision: ±0.3 dKH ±5% of reading
• Battery - 1.5V AAA (included)
• Auto-Off - After 10 minutes of non-use
• Dimensions - 3.2" x 2.4" x 1.5"
• Simple, one-button operation makes getting your alkalinity results a snap.
• Quickly get your results without using a color chart.