14 янв. 2021 г. · The 5 watts per gallon is a common rule of rule of thumb. However that rule only works if your room temperature and tank temperature are typical.

10 окт. 2020 г. · For a 20 gallon tank, recommendations include anything between 50 watts to 150 watts depending upon the required temperature rise.

24 дек. 2017 г. · As to size: the rule of thumb is 5 watts per gallon. This will raise the tank temperature up to 10°F above the ambient room temperature. If your ...

11 сент. 2016 г. · Yes! However if you can a 100 watt would be better but just make sure you keep the temp at 78!

21 окт. 2013 г. · You would not want to stick a 150w heater in a 5 gallon tank, or a 400w heater in a 20 gallon, it would raise the temperature to fast. But a ...

26 сент. 2019 г. · Get a 50-75 watt heater.

24 июл. 2010 г. · yes, you can use a 50w heater instead of a 100w heater.. the only problem you will have is your electricity bill. heaters have thermostats built ...

26 окт. 2020 г. · But in regards to keeping the tank warm, yeah a 100W adjustable heater should work & can also wrap tank up w a blanket or some older towels.

20 апр. 2021 г. · The typical recommendation for heater wattage is 5 watts per gallon. That is sufficient to maintain the water temperature about 10-15 degrees above room ...

16 мая 2019 г. · 2x 150 watt heaters that can only heat to 90, won't heat to 180, but they do equal a 300 watt heater. A watt through 4 resistors is a watt ...