Caluma Thermo-Hygrometer mit externer LF-Sonde Caluma LED Allows use without a pH

Allows use without a pH meter

8m USB-C Charging Cable

The average lifespan is over 50

Grind & Pack: Grind medium-coarse and fill the ceramic chamber loosely just below the rim

Caluma Thermo-Hygrometer mit externer LF-Sonde Caluma LED Allows use without a pHCaluma Thermo Hygrometer with external RH probe Precise control for your plant cultivation The Caluma Thermo Hygrometer with external RH probe is the ideal tool for every plant enthusiast who desires precise control over the microclimate in their growing area. This high quality device allows you to measure temperature and humidity directly inside the grow tent, while the display can be conveniently mounted outside. This way, you can read the values at