Control Freak 3 Amp Dynamic Frequency Fan Speed Controller Media Check EC: Use the Truncheon

Check EC: Use the Truncheon to measure nutrient strength

making it incredibly easily to give your plants the perfect environment

helping it reach deeper into the substrate

you'll experience much less pH fluctuation and the beneficial micro-organisms in your substrate will also have a much easier time colonising the root mass

Plants have a higher demand for these key macronutrients when they reach the bloom phase

Control Freak 3 Amp Dynamic Frequency Fan Speed Controller Media Check EC: Use the TruncheonPlease note: This item is purchase to order. Be a Control Freak! The Next Step Up From the Hybrid Fan Speed Controller! The Control Freak combines the best of both types of conventional fan speed controller giving you the quietness and smooth output of a hybrid type while giving you the controllability of a standard pulse width modulation (PWM) type. Standard fan speed controllers produce a spiky waveform which usually introduces a hum in the fan