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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
Use plain water between applications
sprinkler or other watering device
phosphorus and potassium found in Mag-Pro
and labor savings
PHOTOBIO Advanced Quantum PAR Meter Pre Rolled Cones & Blunts Use plain water between applicationsAll new for 2020, the Advanced Quantum PAR Meter provides an 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 of photosynthesis in plants, which is important
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