Ohio FishPlant Dude Posted March 31, 2023 Share Posted March 31, 2023 Will one 100 Watt Aquarium COOP heater really be strong enough for my 55 gallon tank? Some customer reviews have stated that one will successfully heat up to a 75 gallon tank...I have an old 250 Watt tube heater that I would like to replace....Perhaps the AC 100 Watt will be more efficient and handle my tank with ease? Link to comment Share on other sites More sharing options...
Ohio FishPlant Dude Posted May 8, 2023 Author Share Posted May 8, 2023 I just watched Corey's Live Stream from 4 days ago. He recommended using only 1 , 100 watt heater for a 75 gallon tank. His reasons were to save money, fish are quite tolerate of uneven temperatures...and if the heater malfunctions, 100 watts will take longer to overheat/ underheat... My tank is covered with 2 hang on back filters and 1 powerhead which must help to generate some heat...I heat my room at 72 F or more depending on my comfort. I'm going to start with 1 heater in my 55 gallon and see how it goes. Link to comment Share on other sites More sharing options...
Andy's Fish Den Posted May 8, 2023 Share Posted May 8, 2023 It would depend on what the room temperature is in the room that the tank is sitting in, and what temperature that you want the tank to be. If you keep your house at 68* or the tank is in your unfinished basement, and you are wanting to have the water at 76-79* then it may struggle, and never shut off. But if your house is kept at 72* and you only want the tank temp to be 76* then it would be fine. Link to comment Share on other sites More sharing options...
Lennie Posted May 8, 2023 Share Posted May 8, 2023 (edited) I keep my room at 22C and 42g tank at 27C. I use 2 heaters myself in that tank. The truth is, it also depends on what fish you keep. I have black rams in that tank. If you keep species that are more fragile and expect to have much higher temp than the room temp you keep your tank in, it won't be enough, and will be constantly on trying to heat the tank. I'm not sure I can understand the electricity bill part in this regard. To keep the tank temp stable, 2 heaters will be turning on or off based on the tank temp, or, one almost always constantly running on trying to heat the tank nonstop. I am confused. Also if one breaks down, you will have no heater on hand. Edited May 8, 2023 by Lennie Link to comment Share on other sites More sharing options...
redfish Posted May 8, 2023 Share Posted May 8, 2023 On 5/8/2023 at 5:38 AM, Andy's Fish Den said: It would depend on what the room temperature is in the room that the tank is sitting in, and what temperature that you want the tank to be. If you keep your house at 68* or the tank is in your unfinished basement, and you are wanting to have the water at 76-79* then it may struggle, and never shut off. But if your house is kept at 72* and you only want the tank temp to be 76* then it would be fine. I agree with Andy. I use one 100 watt ACO heater in my 55 gal and it works fine to hold the tank at 78 degrees. I do keep the ambient temperature around the tank in the 70-76 degree range year round. Link to comment Share on other sites More sharing options...
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