Sunmaster Cool Metal Halide (MH), 400W nutrients-and-supplements Modern design with rugged fire

Modern design with rugged fire retardant enclosure

phosphorus

and hydroponic-based gardening mediums and is fully compatible for use with all Technaflora products or any premium quality soluble fertilizer

freeze drying and a number of other processing techniques

Sunmaster Cool Metal Halide (MH), 400W nutrients-and-supplements Modern design with rugged fireSUNMASTER 400W COOL Chemically weighted with stronger blue wavelengths, Sunmasters 400W 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.