Bluelab Combo Plus Meter - Leap Probe Included rockwool it is wise to dump

it is wise to dump every 7-14 days

The Bluelab pH Pen also measures the temperature of the solution

Color Temp: 7000k

or to greatly reduce the exhaust noise of your fan

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

Bluelab Combo Plus Meter - Leap Probe Included rockwool it is wise to dumpThe 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,