alan whittington
Active Member
It's a digital ballast that runs on low frequency so that the bulbs burn brighter and longer than a normal electronic ballast.
http://www.discountadvancednutrients.com/index.php?act=viewProd&productId=226
there's the link for anyoen who wants to check
http://www.discountadvancednutrients.com/index.php?act=viewProd&productId=226
there's the link for anyoen who wants to check