Digital Ballast - 400W Propagation Domes & Heat Mats Measures pH and temperature –

Measures pH and temperature – Dual functionality for complete monitoring

Because the trace elements are in alkaline-stable forms

Beneficial Fungi

Plants requiring strong root development through natural aeration and bio-activity

Supports plant metabolism – Encourages energy use efficiency for minimal nutrient waste

Digital Ballast - 400W Propagation Domes & Heat Mats Measures pH and temperature –This 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.