Digital Ballast - 400W Bluelab These beneficial microbes convert organic

These beneficial microbes convert organic matter into essential elements

3 mS/cm depending on source water

Measure conductivity (EC)

you will see a white dust or powder flying around

Digital Ballast - 400W Bluelab These beneficial microbes convert organicThis blackline ballast is a high quality, straight forward, heavy duty ballast that is long lasting! Works with both MH and HPS bulbs and has an external breaker system to protect against power surges. Extremely high frequency with a soft start program to allow multiple ballasts to start at the same time. There are four settings: 150w, 250w, 400w and 400w super lumens. Runs on 230 volt power, 50 or 60 hertz, 1 year warranty.