I use the cheap ballasts from Home Depot and they work great for a few years, I think this one lasted about 5 years. Not bad for like 40 bucks. These are worth checking out. I think you can get them cheaper...but DIY does you good. Thanks for checking out my How to replace the ballast on your Aquarium Lights videos. If you like what you see or hear rate this video or add a comment. Ask me questions. For more video, Live chat and custom user profiles to show off your planted tanks planted, reef or other fishtanks, check out www.fishtanktv.com