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

  • Love this heater By Lionel on 4/10/14

    Although the cost is slightly higher than other models, after having 4 glass heaters fail on me within the first 6 months, there is good value with a 3 year warranty.
    Also nice to have a heater that has the indicator and sleek design
  • So far works great By Ryan on 4/7/14

    Have only been using it for 1 week but the product has been working as advertised. Currently using the heater to heat a tub to cook rock in m,y garage and the temp has bee really steady even in the morning when it's pretty cold.
  • Busted within 2 months of purchase By Kailua-Kona on 3/24/14

    The 200W Neo-Therm is a great product when it's working. The plastic shell busted within 2 months of service and now the heating element is dead.

    I have tried to contact Cobalt customer service, but I am still waiting for a reply.

  • These are very solid units!! By Sean on 3/20/14

    Cobalt has done a fantastic job with these heaters. I got two 200W units and am very impressed with how solid they are built. The only thing I could ask for would be better suction cups that hold them to the inside of your sump or tank.
  • Great product! By Luis on 2/25/14

    Great product! My temperature used to swing +-1 degree with my old heater. Ever since I put my new neo therm heater in my swings dropped to +-0.2 degree. Very accurate, indestructible, small footprint and easy to read thermometer.
  • Leaks Voltage By Worm5406 on 1/21/14

    I bought 4x 200 watt versions of these. I have now had 2 of them die and leak voltage into the tank. They not only leak voltage they both would not light their own lights and even show they were on. I took a voltage meter and tested it numerous times, and replaced it and the 90VAC in the tank disappeared. I would understand one... but two within a week time span in unacceptable.


    I have had one get a thermal barrier around it in bubbles and stop heating.

    I do NOT think these are what they are cracked up to be. I had high hopes for them but with 50% failure, I am sure I will be sending them all back and switching to the old standby, glass... Even though I do not wan to, I can not stand being shocked.

    After I left the two bad ones outside the tank they turned back on and stop leaking voltage.
  • Great product By jarodw45 on 1/13/14

    100 watt heater works quickly and keeps water temp perfectly Set at your desired set temp.
  • Very happy! By Leslie on 12/20/13

    I am very happy with this heater! Easy to set up and I like that it shows if the temp of the tank is above/below the desired set temp. As always,great service from bulkreef!
  • Worth the cost over other heaters By Chris on 12/9/13

    Love the Cobalt heater- although it's rather expensive in comparison to other heaters like it, the quality is 10x better and it's a small investment for keeping your animals healthy. It's also the first (and only) heater that I wouldn't mind seeing in the DT, it's super sleek!
  • This thing is great! By James on 11/26/13

    This is hands down the best heater ever. Compact, accurate and so easy to use. The display is clear, the slim design fits in tight spots, and it seems to be indestructible. It is not a fragile heater!

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