Description
New improved horticulture MH grow bulb that use high output technology to achieve maximum vegetative growth and maximum flower yield Specifically designed for high frequency electronic ballasts & Horticulture 1000-watt Metal Halide MH Double Ended Grow Light Bulb Features High Blue Spectral Ratios for Great Photosynthesis Efficiency and Vegetative Growth; The 6000K Metal Halide is the best spectrum used for vegetative growth to encourage shorter node spacing and bushier plants The yellow residue inside is unvaporized gases; This is completely normal; When the bulb is lightening, the residue will no longer be visible compare with similar items Standard K12*30S cap base can be used in any 1000W double ended MH fixture