Bluelab Combo Plus Meter - Leap Probe Included rockwool Use sites: Opal can be

Use sites: Opal can be used outdoors

There are two pockets in the top of the case especially made for meter probes

The program repeats daily

The Bluelab pH Pen also measures the temperature of the solution

Bluelab Combo Plus Meter - Leap Probe Included rockwool Use sites: Opal can beThe Bluelab Combo Meter Plus is an all in one, convenient portable solution for accurate measurement of pH, conductivity and temperature in nutrient solution. The battery powered, lightweight unit can be used anywhere, anytime to measure critical parameters related to nutrient uptake in plants. The Bluelab Leap pH probe also allows fast and accurate pH measurements direct from the root zone in a wide range of growing media including soil, rockwool,