Sunmaster Dual Spectrum HPS Bulb 600W – Full-Cycle Grow Lamp for Veg & Flowering

The Sunmaster Dual Spectrum HPS Bulb 600W is a high-performance, full-cycle grow lamp designed for both vegetative and flowering stages. Unlike standard HPS bulbs that focus primarily on the red spectrum, the dual-spectrum output combines red and blue wavelengths — allowing growers to use a single bulb throughout the entire growing cycle without switching between metal halide and HPS lamps.

Key Features

• 600W high-pressure sodium dual-spectrum grow lamp
• Balanced red and blue output – suitable for veg and flowering stages
• ~90,000 lumen output for high PAR and efficient photosynthesis
• E40 fitting – compatible with most 600W HPS ballasts and reflectors
• Long lifespan with stable, consistent light output
• Eliminates the need to switch between MH and HPS lamps

How to Use

• Install into a compatible 600W HPS ballast and reflector with an E40 fitting
• Allow the lamp to warm up fully before measuring output
• Position at the recommended distance from the plant canopy to avoid heat stress
• Replace periodically to maintain peak light output throughout the growing cycle

Ideal For

Indoor grow rooms, hydroponic systems, and greenhouses where growers want a single, versatile lamp capable of supporting plants from the vegetative stage through to the end of flowering.