Blank Box 600 Watt Digital Dimmable Ballast - (C) Shipping Not only does the unit

Not only does the unit stay cool

even with small distances between light source and plant tip

13A (3kW) of relay switching

or watering your plants

● Excellent carbon source for beneficial mycorrhizae and bacteria

Blank Box 600 Watt Digital Dimmable Ballast - (C) Shipping Not only does the unitHorti King digital dimmable ballast The Horti King Pro Digital Ballast has rapidly become the most popular ballast in the Horti range. Constructed inside a sturdy aluminium cooling finned housing the ballast runs without a fan and is extremely quiet in its operation. The ballast has a fast start up and the bulb reaches maximum brightness very quickly The dimmable function allows the ballast to run different power bulbs from the same ballast for heat