Pro Grow 620 W SE HPS 2 K Lamp varo__HQB-5500 Extensive research and consultation with

Extensive research and consultation with professional growers has led us to develop two formulas – GROW and BLOOM – that are ideally suited to a wide variety of plants

So why wait

creating a cavity that can be used as a nutrient reservoir or for better drainage

PPF: 578 μmol

Pro Grow 620 W SE HPS 2 K Lamp varo__HQB-5500 Extensive research and consultation withThe new Pro Grow HPS 620W & 1000W single ended lamps exceed the output of even the best European branded lamps. All Pro Grow lamps offer up rated components specifically tuned for use with high frequency digital ballasts. Improvements include monolithic arc tube construction, more robust frame wire material, extruded ceramic ark tubes (not molded) decreased frame wire thickness (for reduced shadow print) and low iron glass for enhanced UV penetration.