I will look at three important facts of LED Aquarium Lighting: (1)Pulse Width Modulation versus Current Reduction (2)RGB Features (3)Emitter Technology, Cool White Emitter Use and More Revised 12/14/16 OVERVIEW ———- Important update (1-14-15) about EcoTech lack of disclosure about spectrum control over their LED fixtures. See end of article Rather than review actual equipment, … Continue reading Aquarium LED Lights, Controllers, PWM; What is Best