Get accurate water testing results with our simple handheld colorimeter. Our ammonia colorimeter makes it easy to trust your measurements. You no longer have to struggle to determine colors, our handheld colorimeter eliminates the trouble of matching to a color chart by providing a direct digital ammonia result.

• Our portable handheld colorimeter is easily carried in your pocket.
• One-button operation makes getting your ammonia results simple.
• For use with freshwater only.