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

Measures pH and temperature – Dual functionality for complete monitoring

Suits 4mm tubing

Activates nutrient uptake enzymes – Improves absorption of key elements for healthy development

while magnesium powers photosynthesis and activates key enzymes for nutrient uptake

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.