Neo-Therm Submersible Heater - Cobalt Aquatics

Cobalt Aquatics Neo-Therm Submersible Heater
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Neo-Therm Submersible Heater - Cobalt Aquatics

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47 Review(s)

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25W Neo-Therm Submersible Heater
SKU: 207705
Preferred Reefers earn 290 points
$58.99
 
 
50W Neo-Therm Submersible Heater
SKU: 207706
Preferred Reefers earn 300 points
$60.99
 
 
75W Neo-Therm Submersible Heater
SKU: 207707
Preferred Reefers earn 315 points
$63.19
 
 
100W Neo-Therm Submersible Heater
SKU: 207708
Preferred Reefers earn 325 points
$65.49
 
 
150W Neo-Therm Submersible Heater
SKU: 207709
Preferred Reefers earn 380 points
$76.49
 
 
300W Neo-Therm Submersible Heater
SKU: 210143
Preferred Reefers earn 700 points
$140.27
 
  • Heater Stuck on High By on 3/15/2017

    Yesterday I had a very brief power outage. Later on that evening I noticed my Neo-Therm had the most right Red LED was lit. Also the tanks temperature was at 94 degrees. I immediately unplugged the heater and used a backup. I believe I was lucky based on the forums and reviews I’m seeing on line many have not caught it in time and had much more disastrous results. I have another 100 watt from them but I’m not going to use it. It’s too bad because the features, slim design and appealing look are a great selling point. But it’s not worth the risk after seeing the stories of the heaters blowing up, cracking, shocking people and burning up I can’t take the chance. One of the selling features I was sold on was that it less likely to fail in the on position. From the amount of instances online apparently that’s not true.
  • 150w By on 1/11/2017

    150watt working great no issues
  • Started out great.... By on 4/15/2016

    So like everyone else I loved this heater for it's sleek design and ease of use. I bought my heater as a reef package with my aquarium back in May of 2014 and it's worked like a champ. Well it worked well until last week when it tried to cook my entire system. I caught it early enough that the heater didn't melt like some other people have stated. My aquarium was heated up to 92 degrees when i caught the issue and did lose some livestock. Since the issue was caught before it got well out of hand, I was able to save most of the fish and coral.

    Well, all heaters will fail at some point so it would be a good idea to invest in a external controller as a safeguard. For the price I would of expected it to work longer and not fail in the ON position. Just expected more from this brand.
  • Problem heater By on 3/11/2016

    many people that I know in the hobby say that the heater is prone to cracking and causing a fire. They'd have switched to the eheim model heater which are cheaper. I have removed all my cobalt heaters and replaced them with the eheim models.
  • Unreliable By on 3/1/2016

    I have owned 5 of them in the past few years. Three of the five have burnt up and smoked out my fish room with the smell of melting plastic. Just not reliable.
  • works great By on 1/11/2016

    the fact that i can get this in my ac70 refugium and not in my display makes it worth it plus haven't had any issues with it
  • shocks you By on 1/1/2016

    this heater for some reason shocks me, i use it in my mixing tank
  • Terrible heater By on 11/8/2015

    This heater like many others stated exploded in my tank and sent off a a large plume of smoke across the room that had a terrible smell. I should have known better since so many others are talking about this on other forums. I'm disappointed in cobalt that there has been no real acknowledgement of the issue. Beware! If you have especially the 200W swap it out now!
  • Dangerous and a BRS embarassment By on 10/22/2015

    I bought 4 of the 200W heaters a couple years ago and just happened to stumble upon them again on the BRS website tonight. I was shocked these things are still on the website and listed as BRS recommended! Shocked is a fitting term since 3 of the 4 heaters I bought ended up leaking so much electricity into the water within 6 months that I was getting shocked every time I put my hand in the tank. Through process of elimination and a good voltmeter, I determined that it was definitely the cobalt heaters. Couldn't throw them away fast enough and I'm pretty sure that one of them was responsible for loss of several fish in my quarantine tank during that time. I honestly don't know why BRS still sells these things and still has them listed as recommended. Stay away from them! I just consider myself lucky that no one got hurt from them. I'd give this a zero star if the website would allow it. I love BRS and so really want to encourage you guys to pull this very unsafe product!
  • Expensive doesn't mean better. By on 8/28/2015

    I bought a 200w neotherm and was pleased for the first couple months. One night I woke up to a terrible smell, I came to the living room and found smoke rising from my sump. The heater had ruptured right in the center. Some black tar had oozed out from the hole. Luckily I got to it quick enough that no livestock was harmed, but the smell is still throughout the house. This heater is too expensive to have problems like this.