Bluelab Combo Plus Meter - Probe Included Big Time Plants do have the ability

Plants do have the ability to protect themselves

earthworm castings

These air pumps are very quiet and built to be very durable in even the most extreme growing environments

easy to operate system

Bluelab Combo Plus Meter - Probe Included Big Time Plants do have the abilityThe 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,