26 авг. 2015 г. · The Hydor 25 Watt submersible heater sounds like what you want. For 2 to 7 gallon tanks. It's 7 inches long and is adjustable so you can set the ...

21 янв. 2016 г. · I'd recommend the Eheim 25 Watt heater, they're adjustable and they turn on whenever the temperatures drop below the set temp you want.

18 сент. 2016 г. · So far the Aqueon 10 watt has been good, I've had to turn it off a few times because it dared to go over 82 but its heating consistently now.

16 янв. 2013 г. · I've had it installed for about 7 hours, and the water temp has only gone up from about 68 degrees to 74 degrees. I'm not sure if the ...

28 авг. 2017 г. · 25 watts in a smaller tank is definitely fine as long as the heater has a thermostat and temperature control. My 3g has never gone over 78F at ...

23 апр. 2022 г. · I have a heater that's preset to 78 degrees, but it's heating his tank up to 83. I want to get him another heater that is more accurate, ...

1 мар. 2022 г. · The aquarium thermometers read up to eight degrees on either side of 78 while the temperature probe registered 77-79. My 55-Year Betta Addiction

2 мар. 2013 г. · I personally use the Aqueon 10W Mini Heater in my 2.5 Gallon tank. It's smaller than the Marina mini heater. It's nice and thin and not too ...

18 нояб. 2014 г. · These heaters usually raise the temp of the tank 10 degrees over that of the room temp. So if your room temp is say 76, the tank could go up to 86. Which would ...

5 мая 2014 г. · I use a 15 watt Hydor slim heater and it works fine!