The Solis Tek 600W 4K is a metal halide grow lamp with a 4000 K daylight spectrum suited to vegetative growth and early transition. Solis Tek offers this model in single‑ended (E39 base) and double‑ended variants, both designed for use with high‑frequency digital ballasts and pulse‑start ignition. Retail listings describe a full, balanced spectrum with enhanced UV content and reduced PAR depreciation over time. Typical effective coverage for a 600‑watt HID in a suitable reflector is about 120 × 120 cm (4 × 4 ft). With proper operation, lamp life is specified up to 10,000 hours. The 4K color temperature provides a neutral-white output that promotes compact structure while maintaining enough red content for early flowering support when needed.
