Customer Reviews

Rating: 4.0 of 5 stars 42 Reviews 42 Reviews 4.1 out of 5 Stars

90% Recommend

90% of reviewersrecommend this product

Rating: 4.0 of 5 stars 4.1 / 5

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Eheim Jager Thermostat Aquarium Heater

Eheim Jager Thermostat Aquarium Heater

  • Most Helpful Positive Review

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    Excellent Heater

    By Raay on Aug 9, 2021

    Installed a 100 Watt on a new 39 gallon tank, set it to 80 degrees, and so far it's been keeping it perfectly at that temperature. It's only been a few days but I'm impressed with the ease of installation and how well it works. Nice and cheap and does what it should!

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  • Most Helpful Critical Review

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    would work fine if it actually worked.

    By espinoza on Apr 29, 2021

    I’m sure the product would do it’s job if it worked. I set the heater up to 79 and it jumped my temperature over 85 killing two of my fish due to extreme temperature change, I immediately took it out and started messing with the temperature, I found out the red ring that moves the temperature level it I’m sure the product would do it’s job if it worked. I set the heater up to 79 and it jumped my temperature over 85 killing two of my fish due to extreme temperature change, I immediately took it out and started messing with the temperature, I found out the red ring that moves the temperature level it’s working properly so as an example if I have set it to 71 it’ll get up to 77-78, I tried to play with the temperature again to try and get it working while I get a new heater (I need one due to cold area) and it wouldn’t even turn on anymore. Will try to return. … more

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