Spider Farmer SF4000 grow light review

Spider Farmer SF4000 grow light review

The Spider Farmer SF4000 LED grow light is a solid performer and great value for its specification, especially considering the high quality components such as Meanwell drivers and Samsung LM301b LEDs. It is full spectrum, good efficiency and delivers a good light...
SpotOn Quantum PAR light sensor

SpotOn Quantum PAR light sensor

The SpotOn Quantum PAR sensor has the same level of accuracy than the best PAR sensors in the market for almost half the price. It is designed and built by Innoquest inc., a US agricultural instrument company.I have measured it against the industry benchmark, the...
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