Grower’s Choice 4k-CMH Daylight lamp is the best option for hearty vegetative growth leading to a healthy bloom phase. With a Color Rendering Index of 98 and intense full spectrum the Grower’s Choice 4k lamp provides near sunlight photon output. This leads to healthier and more robust vegetative growth.

Features:

• For use in any 500W CMH fixture
• Produces more PAR per watt than standard Metal Halide
• Richest spectrum on the market
• CRI of 97 makes this lamp the closest solution to sunlight available
• promotes extremely tight internodal spacing leading to more flowering sites and a fuller canopy
• Offers significant improvement in spectral quality over standard Metal Halide

Specifications:

• Color: 4200K
• Type: SE-CMH
• Wattage: 500W
• Initial Par: 800 umol/s
• CRI: 97
• Hours: 15,000
• Manufacturer: Grower's Choice