J justabigbud Active Member Jan 4, 2009 #1 Hey all, anyone know if you can use a 250w mh bulb in a 400w ballast? It is digital so it can switch between hps and mh but I wanted to use a lower watt for a couple of weeks. Thanks
Hey all, anyone know if you can use a 250w mh bulb in a 400w ballast? It is digital so it can switch between hps and mh but I wanted to use a lower watt for a couple of weeks. Thanks