HPS Grow Light Bulbs: Complete Buyer's Guide
Every specification verified. No guesswork. Find the perfect HPS bulb for your grow setup with our comprehensive comparison of the industry's top brands.
Ideal for small tents, closets, or supplemental lighting. Lower heat output makes ventilation easier.
The sweet spot for efficiency. Best lumen-per-watt ratio of any HPS wattage. Most recommended for home growers.
Maximum light output for large grows. Requires robust cooling. Preferred by commercial operations.
Lumens
Total light output. Higher is brighter. Look for 80,000+ for 600W bulbs.
Kelvin (K)
Color temperature. 2000-2100K is ideal for flowering with warm red/orange spectrum.
Life Hours
Rated lifespan. Replace every 12-18 months for optimal performance regardless of rated hours.
PAR Output
Photosynthetically Active Radiation. The light plants actually use. Higher PAR = better growth.
600W HPS Bulbs
600W bulbs offer the best efficiency (lumens per watt) of any HPS wattage, making them the go-to choice for most home growers.
1000W HPS Bulbs
1000W bulbs deliver maximum light intensity for large grow spaces. Requires substantial cooling infrastructure.
| Brand/Model | Lumens | Kelvin | Life Hours | Spectrum | Price | |
|---|---|---|---|---|---|---|
Eye Hortilux Super HPS Enhanced Spectrum | 145,000 | 2100K | 24,000 | Enhanced Red/Orange | $89.95 | Buy |
Gavita Pro Plus 1000W DE HPS | 148,000 | 2100K | 10,000 | Enhanced Full Spectrum | $99.95 | Buy |
Digilux HPS Digital | 140,000 | 2100K | 24,000 | Standard HPS | $79.95 | Buy |
Sylvania Lumalux LU1000 | 130,000 | 2100K | 24,000 | Standard HPS | $69.99 | Buy |
400W HPS Bulbs
400W bulbs are ideal for smaller grow spaces where heat management is a concern or as supplemental lighting.
| Brand/Model | Lumens | Kelvin | Life Hours | Spectrum | Price | |
|---|---|---|---|---|---|---|
GE Lighting Lucalox LU400 | 50,000 | 2000K | 24,000 | Standard HPS | $39.99 | Buy |
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