US$ 128.00
Great White is the most complete mycorrhizal product on the market
The adjustable brass flow control valve can be dialled up or down for either heavier or lighter (drier) applications
Includes calibration-free Conductivity Probe
Reservoir level indicator
Hortivision Par Meter + Extendable Measurement Stick thermometers-hygrometers Great White is the mostThe HORTI VISION PRO SERIES 2 QUANTUM PAR METER is crafted to measure PAR (Photosynthetically Active Radiation) flux across wavelengths spanning from 400 to 700nm. This meter relies on the correlation between photon absorption within this spectrum and the photosynthesis rate in plants. Such measurements are crucial for horticultural research and tracking plant physiology. BOX CONTENTS: OPERATING INSTRUCTIONS: LIGHT INTENSITY GUIDE FOR PLANTS: * Please
US$ 128.00
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