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  1. #1

    Join Date
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    Default Heater Malfunction


    0 Not allowed!
    A bit sad today... last night when I came home from San Francisco at around 9:00 pm and went to feed my fish I had dead fish floating in aquarium.
    It is my 30 gallon that I had set up just recently with the Alenquer discus pair, 8 Orange-lemon tetras, and a L129 Pleco.

    The discus were barred up in corner and all the Orange-lemon tetras were dead. Talk about freak-out on my end.
    The heater was stuck on 94 degrees!

    I was able to locate the pleco and he was fine as well because prefers the same temps as discus.
    Added some cool water a bit at a time and then moved them until get a new heater.

    Not a good day.

  2. #2

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    Default


    0 Not allowed!
    So sorry to hear this. What kind of heater was this?

  3. #3

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    Default


    0 Not allowed!
    Cobalt Neotherm

  4. #4

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    Default


    1 Not allowed!
    That's what I was thinking. This happened to one of mine, too (stuck on 94 and unable to reset it), but I caught it right away. I unplug heaters when doing water changes and when I plug back in, I check every time. If under warranty, they will replace. I sent an e-mail through the Cobalt website and attached a copy of my receipt, explaining what happened. New one was sent with no return required.

  5. #5

    Join Date
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    Default


    1 Not allowed!
    This one is about three years old and dont have a receipt.
    Been using their heaters for a long time (maybe 10 years or so), but trying out a different heater to replace this one.

  6. #6

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    Default


    1 Not allowed!
    Fortunately I buy a lot of this stuff on Amazon so an invoice is readily available. Mine was about 2 years old when it went after the water change. I had another one go before this one after the power came back on following a 2 day outage. I have 5 running now and I really like them, but I have to keep my eye on them when disconnected from a power source for a time.


    It seems all of the ones I've tried have had issues at one time or another. I used to have the Stealth heaters years ago until they were all recalled. I liked the Aqueon Pro heaters, too, but the 2 small ones I have now in my Spec V tanks have to be set lower at about 70-72 to get a temp of 76. And the Eheim I had gave me problems as I could never figure out how to calibrate it properly. Heaters are probably the most frustrating piece of equipment for me.

  7. #7

    Join Date
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    Default


    2 Not allowed!
    Quote Originally Posted by discusluv View Post
    The heater was stuck on 94 degrees!
    What a nightmare to come home to. I am so sorry for your losses.
    Learn from yesterday
    Live for today
    Hope for tomorrow

  8. #8

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    Default


    2 Not allowed!
    I am so sorry you came home to that and sorry for your losses :( That's the worst thing to come home to. I'm glad your discus and plecos are ok and hope they make full recovery.
    GiVe Me sHrEd TiLL i'M dEaD
    -Kat

  9. #9

    Join Date
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    Default


    3 Not allowed!
    What's with these heaters being so temperamental? One would think the most vital piece of equipment for a tropical tank, even more so than a filter, would be designed and manufactured to be reliable. Is it shoddy craftmanship, or what? And to have one that is so complicated to calibrate that you need a PhD to figure it out is, in my opinion, a totally useless piece of junk.

    I'm sure glad I have cold water tanks that don't require heaters. I think having one would drive me crazy, with all the issues that occur with them.
    20 gal. high: planted; 5 white cloud minnows, 4 golden White Clouds, several RCS, 2 blue shrimp, 5 Amano shrimp, several snails; Azoo air. 65 gal: planted; 6 rosy barbs, 6 yellow glofish, 3 red glofish, 3 zebra danios, 5 white cloud minnows, 3 dojo loaches, 6 crimson spot rainbow fish, 12 large Amano Shrimp, several snails; AC110.

  10. #10

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    Default


    1 Not allowed!
    A good reliable heater is definitely a no1 priority. I have Fluval and Eheim heaters and find they've been very reliable IME. My Fluval heaters are old and not even produced anymore, so I'll leave them out of a recommendation. And agreed, the Eheims are difficult to caliber, but once they are, they've been spot on reliable, perfect consistent temperature. Definitely worth familiarizing yourself on how to calibrate IMO

    Fyi (I purposely change the temp 2 degrees for certain times of year).

    A little tip, I like to have just what I need. I keep lower wattage heaters so there's less chance they can actually overheat. I mean a 100w heater on a 40g can only heat it so much right?

    I have had the tanks go cold because a prefilter clogged up or something, but colder isn't as bad. Sorry discusluv :(

    But if you're looking for reliable (which is really important to me), my go-to is Eheim. I've had mine for 15 years, some bought second hand and so old they don't have a calibration option!
    Last edited by angelcraze2; 02-06-2019 at 03:11 AM.
    GiVe Me sHrEd TiLL i'M dEaD
    -Kat

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