Cobalt Aquatics Neo-Therm Submersible Heater

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

38 Review(s)

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25W Neo-Therm Submersible Heater
SKU: 207705
Earn 59 Reward Points
50W Neo-Therm Submersible Heater
SKU: 207706
Earn 60 Reward Points
75W Neo-Therm Submersible Heater
SKU: 207707
Earn 69 Reward Points
100W Neo-Therm Submersible Heater
SKU: 207708
Earn 65 Reward Points

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150W Neo-Therm Submersible Heater
SKU: 207709
Earn 76 Reward Points
200W Neo-Therm Submersible Heater
SKU: 207710
Earn 76 Reward Points

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  • Expensive doesn't mean better. By Kyle 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.
  • Great By Derek on 8/10/2015

    absolutely, love how low profile this heater his and thus far it has been very accurate and is very responsive with my Neptune Apex.
  • Do not buy this hazard By GP on 7/11/2015

    2 Weeks in to its us I start getting shocks disconnect one by one my pumps , heaters and i found the root cause this heater , I wonder if that's the 1st step before it explodes in your aquarium . Sending a complain to the attorney general in my state since from what I read in reviews this heaters are a hazard to human life.
  • Great Heater By Katherine on 5/15/2015

    I have now had this heater for a year in my 29 gallon Nano. The temperature has NEVER deviated from the setting. Need I say more? I am very pleased.
  • I Should Have Known. Do Not Buy! By Keisha Kornbread on 5/13/2015

    I read the threads regarding the 200w heaters exploding but I didn't think it would happen to me. And this morning it did. I heard a pop while I was getting ready for work this morning and standing next to the tank. I looked into the cabinent and a puff of thick white smoke rising from the sump. I ran to my macbook and shut all flow off because I knew what was happening. On the way to the computer I heard another pop. When I moved the cabinent walls off of the stand the smell hit me. I pulled the heater out and it had exploded with 2 long slits the length of the heater. That black stuff that I read oozes out of the heater had started to leak into the tank but was contained in one chamber of the sump. I quickely dismantled the sump and removed two fish I was holding in the fuge chamber. They were close to dieing but I managed to save them. The foul water hadn't made it's way into the DT because I knew exactly what h ad happened and I ran to the computer. Had I not been home everything would have been dead in there. The thick grease that is contained in these heaters is almost impossible to clean up and it took alot of papertowels and arm-power to get most of it out of the sump. I was late to work several hours but the tank seems to be fine. I should have pulled this heater out last year when I read the Exploding Cobalt Heater threads online. I will never use another one of these. My eheims have been rock solid and I will only use those going forward.
  • Stopped Working By Aron on 4/25/2015

    Heater stopped working after about a year, luckily the apex alarm went off as the temperature was falling and allowed me to put in a backup heater to save everything. When it was working properly it was a nice heater...not sure if the 200W was true because didn't perform like my other 200W heaters.
  • Great! By Tony on 4/11/2015

    I started out buying a 75watt (from a different store), and keeping the setting at 78 degrees in my sump, water stays at 77.4-77.8.

    I have recently ordered a 150w from BRS for in my display tank. My experience with the 75w i would expect nothing less then a great product from the 150w.
  • Waiting on quality control. By Turf on 4/9/2015

    Used this heater for just over a year. I love the concept but the heater stopped working right after the warranty went out - bought in late 2013. If I found out that they had improved the component quality I'd buy one again.
  • Amazing for nano tank By Mike on 3/29/2015

    I have this on my bio cube and it fits perfectly in the back chamber the low-profile give me great room for filter media. I've had it running continuously for around eight months now with zero issues been able to keep constant temperature of 78 which I've checked with secondary thermometers on my apex unit
  • Malfunctioned after a month....May have had a lemon. By Chris on 3/27/2015

    I had the 75w for a 20 gal frag tank. Kept it set at 80 deg which kept the tank around 78.5 deg for about a month. Came home one night to find my acros in serious distress. Tank temp was 70 deg. There had not been a power outage. Heater was still set at 80 deg. Put the acros in my DT. Unplugged and plugged the heater in and reset it to 80 deg. Water came up to about 79 degrees that night. Came home the next night and the tank temp was 72 deg. I won't use this heater any more.

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