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1+ Safety Rated: Certified impact-resistant protection against debris and harsh conditions in grow rooms
where the center receives too much light
Strengthen foliage with balanced foliar nutrients that provide essential elements for vigorous
Ideal for stems up to 3/8”
PHOTOBIO Advanced Quantum PAR Meter Bulb_HPS 1+ Safety Rated: Certified impact-resistantPHOTOBIO Advanced Quantum PAR Meter The 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
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