PROGROW COMMERCIAL LED grow lights by Grow Light Science | Best value LED grow lights on the market
Buy here: https://www.growlightscience.com/ The brand new ProGrow commercial LED grow lights are the best value grow lights on the market in terms of PPF output per watt. At just $490 for the PROGROW 2100, $470 for the PROGROW 2100 HB and $890 for the PROGROW 4200 HB, price per watt and price per PPF are …