Sunmaster Cool Metal Halide (MH), 1000W tents-/-indoor-greenhouses Features slotted housing and 4

Features slotted housing and 4 piece white reflector that distributes light very broadly

throughout the full cycle (in both vegetative and flowering phases)

Optimal air to water ratio

CO2 injection

Once plants are established

Sunmaster Cool Metal Halide (MH), 1000W tents-/-indoor-greenhouses Features slotted housing and 4SUNMASTER 1000W COOL Revered as the veg lamp of choice for over 15 years, Sunmasters 1000W COOL lamps are designed to support strong vegetative growth. Chemically weighted with stronger blue wavelengths, the 1000W COOL encourages increased internodes while maintaining compact growth. The tailored spectral output promotes larger leaf area and thicker primary stems. E ballast compatible. 1 year warranty.