600w LUMii BLACK Electronic Digital Dimmable Ballast 250w 400w 660w Super Lumen Contactor Board use up to 8mL per

use up to 8mL per gallon

Length 605 mm by Width 57 mm

not volume

The ones in Biobizz Microbes produce free amino acids in the growing media that increase the activity of all the surrounding microlife

but it can be hung alongside any other full spectrum grow light source

600w LUMii BLACK Electronic Digital Dimmable Ballast 250w 400w 660w Super Lumen Contactor Board use up to 8mL perItem Description LUMii BLACK "SUPER LUMEN" DIMMABLE DIGITAL BALLAST 660w 600w 400w 250w DIMMABLE OPTIONS "NO NEED TO CHANGE THE 600w BULB ON ANY SETTING" LUMii BLACK Digital Ballast is not the same as any ordinary dimmable ballasts. This software controlled, variable output ballast has been specially designed to give the most selective growers the ultimate versatility and performance from a single lighting system. This super cool, super efficient,