Plantmax 400W Metal Halide bulb delivers powerful blue-spectrum light ideal for vegetative growth, promoting compact, healthy plants indoors.
The Plantmax 400W Metal Halide bulb is engineered for explosive vegetative growth, offering a high-output, blue-dominant spectrum that mimics natural spring sunlight. This results in tighter internodal spacing, thicker stems, and healthier overall plant structure-setting your crop up for success before bloom.
Perfect for use in 400W metal halide fixtures, this bulb is ideal for indoor gardens, grow tents, and greenhouse supplementation. It provides consistent performance and full light penetration for leafy greens, clones, and young plants.
Features:
400W metal halide lamp
Blue-dominant spectrum for veg phase
Encourages compact, lush plant growth
Compatible with standard MH ballasts and reflectors
Ideal for hydroponic and soil-based grow setups