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use with an EC Controller for complete grow room control
The Bluelab pH Pen also measures the temperature of the solution
You also want to allow the soil to dry out between each watering
Fully waterproof
Lumatek CMH lamp DE 4200K Daylight Nutrients by Brand/HESI use with an EC ControllerLumatek CMH Lamp 630W 3100 4200K 240V CMH Lamp 630W 3100 4200K 240V, a Double Ended (DE) high frequency pulse start lamp, has been engineered for use with Lumatek 630W DE CMH electronic ballast. This Ceramic Metal Halide Lamp is produced using high grade ceramic arc tube technology and specific horticultural gas blend that creates optimal spectral output for healthy plant growth. CMH technology creates high energy PAR PPF levels with low heat at full
