My WON heater failed after a little over a year! It just stopped working. The temperature dropped from 80 to 67 overnight on my Angel/Discus 65 gal tank. Luckly, I had another heater. It looks like the fish will be ok. What the heck happened? I thought they were good heaters! No warranty...
Found this on another forum:
Hydor is recalling their Theo 300W aquarium heater product that was sold across the United States and the rest of the world. The recall is only effective if you own a specific batch number for the heater specifically 929 – 932 – 939 which was produced during...