Pro Grow 620 W SE HPS 2 K Lamp varo__HQB-5500 So why wait

So why wait

Calcium and magnesium are not very mobile within the plant and need to be in a form that the plant can easily transport and uptake

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

Zip-Zag bags are fully transparent so the contents can be seen without the need to open the bag

Pro Grow 620 W SE HPS 2 K Lamp varo__HQB-5500 So why waitThe 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.