Bluelab Combo Meter Dual Stage Countertop with ProMax Technology & Pre-Sediment 4-Ring Design: Superior accuracy and

4-Ring Design: Superior accuracy and stability across wide measurement ranges

In swimming pools

Reverse osmosis

allowing for users to achieve fast and accurate measurements with their Bromine Checker® HC

potting mix and many other media types

Bluelab Combo Meter Dual Stage Countertop with ProMax Technology & Pre-Sediment 4-Ring Design: Superior accuracy andMeasure 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