Yeah plenty of testing has been done. They’re no small company subsidiary of lighting science group so plenty of r&d. I don’t go by anything other then results. Dollar for dollar for watt for results. Have a look through the threads enjoy @Ripper and @db003 both have done stellar work with these lights and they can talk of quality of end results. Also @Randy Shipley is the rep here For more technical answers.I will check them out, spectrum is so important - Often we look at the “horsepower” and as we are seeing in some grows ....
Thanks for heads up Mizzo.
Peace,
OB