🐠 Cobalt Aquatics Neo-Therm Pro Aquarium Heater (25-200w) - Fully-Submersible, Thermostat, Thermometer, Shatterproof for Freshwater and Saltwater Tanks Review

I have purchased a large number of aquarium heaters over the years and they have all been variations with the same one function and the same design, and has remained virtually unchanged for more than five decades - a long tube, glass or plastic case containing heating elements, which are then connected to some sort of thermostatic circuit. My last one, the Aqueon, failed and almost wiped out my entire tank population because it overheated the tank and didn't have a kill switch. In this incident

Update #2: I've been using the third since 2013. The original failed in less than 4 years of use. The replacement bought in 2017 lasted about 18 months before failing like the first one - stuck at the highest temperature. Luckily my tank temp alarm went off while I was home so I got her out of there before she killed anyone. I contacted Cobolt and they replaced it (after months of waiting because they were out of stock). Look on the power cord near the plug for the date of manufacture. If it's…

UPDATE: I've had a Cobalt Aquatics Neo-Therm 50W heater for over a year now and it suddenly stopped working. The digital display works fine, but the heating element does not heat up. I emailed Cobalt Aquatics and the rep was quick to reply and said if I left him my phone number he would call back to resolve the situation. I have not heard from this representative and this company has not done anything to honor their three year warranty. Therefore, I have downgraded this product accordingly. I…