Sunmaster SM.1000W.U25.10.OK Lamp

- Sunmaster finishing blue metal halide 10,000 degree K is designed to finish your plants out strong - Strongest blue-violet for the final stages in the flower cycle. Optimized for use on electronic ballasts - Designed for the last two weeks of flower with the highest uv output of any bulb on the market. Pulse start lamp designed for electronic or pulse start ballasts only