ARMYVET Posted September 21, 2021 Share Posted September 21, 2021 Ok here comes another comment that may shock some here...sorry!!! If your going to use an ecternal controller with a dual heater setup like one of the ones shown earlier than the brand of heater you choose really doesnt matter and Ill tell you why...If you get a cheapo heater and it fails in the off position...your controller will alert you the temp is dropping and you will have plenty of time to find the problem and fix it....If the heater fails in the dreaded staying on "going to make gumbo out of your fish" position...the controller will see the rise in temp and shut off power to the heater and will continue to control it without a problem and your fish are safe. I live in hell.....well South Florida so basically the same thing ...it is very very hot here and I do not need a heater...in fact I have to A/C my fish room just to keep Tank water at 80. I would not use a heater without a controller and one that I can see from wherever I am so if there is a problem I can take the appropriate actions. This is just telling what I do and how I feel...YMMV On 9/21/2021 at 12:55 PM, Sandra the fish rookie said: @ARMYVET I am looking at the Inkbirds now.. do you recommend the single probe or the dual probe for my 40G?? If it were me....this is what I would buy...but thats just me! https://www.amazon.com/gp/product/B07X1JT372/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1 Having the dual probe on a 36" long tank ensures stable temps across the entire tank. I just purchased one of these as a gift for a friend of mine. They have only had it for a week but I am guessing so far so good....if it wasnt I am sure I would have heard about it by now...LOL 1 Link to comment Share on other sites More sharing options...
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