Categories
- Organic Gardening+
- Natural Pest Control+
- Growing Indoorsโ
- Healthy Living+

Phantom (250W/400W)
Built for top performance & reliability! Hydrofarm’s Phantom Ballast includes 250W/400W switching capability, state-of-the-art technology, an extruded aluminum body with cooling fins, and optional vertical positioning or hanging for even more efficient cooling. Ships complete with a “Universal Reflector Adapter” so it accommodates lamp cords from most manufacturers.
Features:
โข Internal RF protection
โข Only ballast on the market designed for vertical operation
โข Dimmable — saves energy in 3 low light situations
โข Runs both MH & HPS bulbs
โข Dual voltage – 120/ 240 volt (also generator ready!)
โข 3-year warranty
Available size: 250W/400W (Output wattage is selected using a recessed switch on the rear panel.)
Instruction Manualย (PDF)
Grower’s Tip:
When starting a cool lamp, this product will apply 100% power for 15 minutes to properly heat the gasses in the lamp. The dimming feature will not operate during this initial start-up period.