Hydrotech 400w HPS Magnetic Ballast eComm VPD also controls plant transpiration

VPD also controls plant transpiration rates

When The Rack is not in use it collapses to a dismal 1

You’ll see healthier plants with increased nutrient density

Its more powerful motor combined with its aerodynamically designed shape make Vortex Powerfan the performance leader in its category

Max Watts: 228

Hydrotech 400w HPS Magnetic Ballast eComm VPD also controls plant transpirationHydrotechs High Pressure Sodium ballast kits come ready to use complete with 11 lamp cord with mogul socket and 8 power cord. Our ballasts are housed in a unique box designed to keep the unit cool. Ballasts are quad tabbed with line voltages of 120v, 208v, 240v, and 277v available. *For use only with 1000w High Pressure Sodium lamps or 1000w Metal Halide Conversion lamps.