The nano tank man Posted November 29, 2020 Share Posted November 29, 2020 Im setting up a 2.5 gallon make betta nano aquascape. I live where it is very cold mist of the year. I need to heat this 2.5g. All I have is a 100w heater. Abviosly I cant use such a mssive heater. So what can I do. I cant break the bank on this one and need some advice. Link to comment Share on other sites More sharing options...
josh world Posted November 29, 2020 Share Posted November 29, 2020 Just use the 100w heater. It will not affect anything. Make sure it has high flow though. Betas like low flow so maybe just put it in the HOB or next to a sponge filter. I have a heater made for a 30 gallon tank in one of my 10 gallons and i never had any problems. Link to comment Share on other sites More sharing options...
Kirsten Posted November 29, 2020 Share Posted November 29, 2020 10w or 25w heaters are pretty cheap and should be fine for a small tank. Otherwise, you can keep the room it's in heated comfortably (like a home office or kitchen, someplace you use a lot so you're not wasting heat), or you can even try shining an incandescent light on it when it's chilly. Just keep an eye on the temp to make sure you don't overheat it if you do. 1 Link to comment Share on other sites More sharing options...
Hobbit Posted November 29, 2020 Share Posted November 29, 2020 There are little pre-set heaters that are pretty cheap! Like this one: Fluval Nano Aquarium Heater 25watt WWW.AQUARIUMCOOP.COM Shatterproof Preset temperature of 76-78° F Slim, Compact Design If you're looking for an easy to use heater for your betta or nano tank - the Fluval P25 heater is a great choice. It is fully waterproof and is designed... I’d go with something like that if it’s in your budget. Link to comment Share on other sites More sharing options...
Bean Posted November 29, 2020 Share Posted November 29, 2020 Just get a small heater lol 1 Link to comment Share on other sites More sharing options...
Streetwise Posted November 30, 2020 Share Posted November 30, 2020 (edited) It would not be good for a 100W heater to fail in the on position in a 2.5. I use a 10W in a 3.5 Betta tank. Edited November 30, 2020 by Streetwise 1 Link to comment Share on other sites More sharing options...
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