PH measuring pen

A adequate pH is the first element to be mastered in bioponics. It guarantees the development of bacteria and the survival of your plants. Fluctuations can arise according to the temperature or to the adjustment of the water level.
For that reason, this pen will allow you to control these variations and to ensure the good health of your system. The pen is reusable.

Characteristics:
· Measure pH and temperature
· Indicator of  pH calibration
· completely tight
· automatic Compensation of the temperature