I bought an 18 watt hang-on UV sterilizer by CustomSea Life, had it about two months when the light went out. I called them, opened it up with their instructions and there had been a short - smelled awful - and I thought it was a fire hazard. :evil: They told me they had experienced the problem before and had redesigned the unit and they would send me a new one at no charge. They sent me a new one on January 26th. It worked fine for two and a half months and yesterday the light went out again. I took it apart and low and behold, it looked as if it had shorted again and it smelled awful and was dripping brown juice! 8O Idon't think I want another one like this. Can anyone recommend a top-notch brand 18ish watt hang-on UV sterilizer. Actually it may not even have to be an 18 watt because I only have a 75 gallon tank. Looking for suggestions.