hi i am wondering if my ballast can use MH and HPS on my ballast its got
250/MH/HPS 400/MH/HPS 600/MH/HPS 1000/MH/HPS what does this mean does it mean i can use MH and HPS could please sumeone help
no thier no X i bought it from ebay and it did say it was a 400 watt but was wonderin what those number meant aswell if i could use any different watts also with MH/HPS is this meanin it can use both MH and HPS thanks
My Hydrofarm ballast can run both hps and mh and there is no switch. My ballast is an ANSI 59 certification so I just buy the bulbs that use ansi 59. I was able to get my 400 watt MH from Home Depot for about $40 bucks if I remember correctly....