Review on Clearer Water In Your Aquarium Or Pond With OXYFUL 18W UV Ultraviolet Light Clarifier by Wanick Palermo

I bought this July 2017, and it did the job well, hence the 3 stars. The only issue is that once the winter came and the weather got to 19 degrees the main glass housing that holds the bulb shattered into little pieces. I had to unplug it because it kept popping the C/B. I thought it was just the bulb but when I opened it I was surprised to find the entire housing shattered. Disappointing that I now have to buy an entire new UV light assembly.