could be the bulb if the old one works just takes a few minor dings to kill it by accident on the trip home
invision Reviewed by invision on . Weird Hps Ballast.. ok i have this problem about 3 years ago i figured id give growing a try... i found a hps bulb in my buddies bastment i asked him if i could have it he said sure.. soi bought a ballast to go with the bulb i bought a 150w ballast kit from the store ... was by sylvania came with the transformer gescap and ignitor... i looked up how to wiree a ballast online and within 20min i was all set up with the bulb runing.. never had no problems..i used it for about 2 mounths then i killed my plants and put Rating: 5