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controlled via PWM (Pulse Width Modulation) for ultra-smooth speed transitions down to extremely low RPMs — without the motor hum that plagues traditional AC fans
it is safe for plants and can actually help oxygenate the roots of live grass
10 and distilled water
This is a NON-GMO mustard seed
Growee Pro Combo Doser Growee / Growee lighting controlled via PWM (Pulse WidthDescription Automatic 4 parts nutrient dosing Automatic pH up and Down Control Control from anywhere using the Growee App Connected to the internet using Wi Fi Lan pH, EC, and Water Temp. reading 24 7 Unlimited measurement history Connect attritional Growee Add ons to unlock full hydroponics automation 2 Years Warranty Data Sheets Download the Hydro Master Quick Start Guide: here Download the P H Balancer Quick Start Guide: here Download the Nutrient