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Rubber grip on top for easy use
A: The unit has a maximum 120-minute automatic shutoff feature
and sturdy structure
manual control for pump priming Alarms high and low with enable / disable option
PHOTOBIO Quantum LED Grow Light PAR Meter Grow Formulas Rubber grip on top forPhotoBio 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
