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and its powerful effects on growth rates
They're designed to squeeze as much as possible from your plants
Choose from two sizes:
It acts as a chelator
Vortex Twin Speed Thermostatic Fan Speed Controller Plagron and its powerful effects onVortex Twin Speed Thermostatic Fan Speed Controller Auto Fan Control Made Simple The Vortex Twin Speed Thermostatic Fan Speed Controller is the hassle free way to regulate grow room airflow. Designed to work with Vortex twin speed fans, it automatically switches between two fan speeds based on your grow room temperature no constant adjusting, no messing about. If youre looking for steady temps and reliable fan control without paying over the odds,
