Ballast Kit, Sodium/Halide, 400W, MV Conversion lighting_accessories This stops mold growth while

This stops mold growth while preventing overdrying

metals and trace elements which are naturally found in healthy soil and vegetation

Inside dimensions: 11"W x 25"L x 9"H (13"H including reservoir)

Fine tuned light spectrum for different stages of growing process

Ballast Kit, Sodium/Halide, 400W, MV Conversion lighting_accessories This stops mold growth whileBallast Kit, Sodium Halide, 400W Multi Volt Convertible Best choice for DIY grow room aficionados! Whether you are wiring your own first ballast setup or performing a complete overhaul of your existing equipment, this kit offers all you need, including the right capacitors and transformers. Rely on Hydrofarm for premium quality North American made ballast components. All parts are UL recognized. Ballasts include welded on brackets for easy replacement