PHOTOBIO Quantum LED Grow Light PAR Meter Metal Halide (MH) Bulbs Engineered with Swiss-made thermalloy probe

Engineered with Swiss-made thermalloy probe heads offering precise temperature and humidity measurements

and easy to wipe clean

Wattage:  120

stronger root systems

PHOTOBIO Quantum LED Grow Light PAR Meter Metal Halide (MH) Bulbs Engineered with Swiss-made thermalloy probePhotoBio Light PAR Meter LED GROW LIGHT PAR Meter Features All new, the Advanced Quantum PAR Meter provides accurate and cost effective measurement for all light sources used to grow plants. The PHOTOBIO by Phantom Quantum PAR meter is designed to measure PAR (Photosynthetically Active Radiation) flux in wavelengths ranging from 400 to 700nm. There is a proportional relationship between the number of photons absorbed in 400 to 700nm band and the rate