PHOTOBIO Advanced Quantum PAR Meter eligible-for-discount These ports allow for easy

These ports allow for easy integration of ventilation systems and electrical connections

try using an old cereal box with both ends opened

Designed for today's high performance gardening

reducing water waste while maximizing efficiency

Also available in colors

PHOTOBIO Advanced Quantum PAR Meter eligible-for-discount These ports allow for easyThe Phantom PHOTOBIO Advanced Quantum PAR Meter provides accurate and cost effective measurement for any light source used in horticultural applications. The Advanced Quantum PAR meter is designed to measure PAR (Photosynthetically Active Radiation) flux in wavelengths ranging from 400 to 700nm. There is a positive proportional relationship between the number of photons absorbed in 400 to 700nm band and the rate of photosynthesis, important for