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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
Ideal for stems up to 3/8”
- 705 CFM rating
Can be used 25+ flowering cycles before needing replacement
we use this as the benchmark and then raise it
PHOTOBIO Advanced Quantum PAR Meter Bulb_HPS Ideal for stems up toPHOTOBIO 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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