Bluelab Combo Meter lab pH equipment 230mL Bottle: Convenient bottle size

230mL Bottle: Convenient bottle size provides multiple calibrations—more economical than single-use sachets for frequent testing

Calibrate automatically to one or two points with automatic buffer recognition

The slurry is allowed to rest for 10 minutes so that the solids will settle out and the pH of liquid above can be measured

this probe features a refillable reference system for extended life and optimal performance

Bluelab Combo Meter lab pH equipment 230mL Bottle: Convenient bottle sizeMeasure pH, conductivity and temperature on the go. Trusted by growers for 25 years on over 100,000 products! Bluelab Combo Meter measures conductivity (EC), temperature, and pH with a clear display and easy to use buttons. Portable and battery powered, take reliable readings anywhere to keep your plants flourishing. Features: Compact handheld design for convenient use Bright, easy to read backlit display Replaceable Bluelab pH Probe (with BNC