Plant Grow Lights - a comparison of different lights

Low Watt LEDs vs T5 Grow Lights: Seed Starting / Lettuce Test



T5 Grow Light (fluorescent) is the winner over LED Red and Blue and LED Blue lights in growing Butterhead Lettuce experiment (watch the video above). In this experiment, the T5 light power is 96 Watt, while the LED lights are of lower wattage. The initial investment calculated based on the per square in cost. T5 cost is $0.29; LED cost $0.25 - hence that leveled the ground of comparison for the initial cost. 
In conclusion, the higher the output of the lights based on same (similar) initial cost per square inch, the better the yield of the produce. Simple mathematics! 

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