First off, I will not argue with you about heaters
, I have better things to do with my life.
A heater is very important to the health of your betta. Small tanks (under a gallon) are nearly impossible to safely heat. Breeders that keep fish in cups have heated "fishrooms". There are a few heaters out there that are rated for under 5 gallons. These are unajustable and must be watched incase the heater dies or overheats.
Here are a few heaters that I know of:
-Hydor mini heater (7.5 watts)
-Aqueon mini heater ( 10 watts)
- Zoo Med betta bowl heater (7.5 watts)
- Deep Blue Pro mini heater (7.5 watts)
-Tetra Submursible heater (50 watts)
-Cascade Heater (50 watts)
-Top Fin 10 gallon heater (50 watts)
-Bci Ht10 (50 watts)
-Top Fin Submursible heater (100 watts)
-Cascade Heaters (100 watts)
Bettas are tropical fish. " Tropical Fish" does not mean cool or exotic, it means they need a heater.
Bettas will become lethargic and stressed without a heater, resulting in illness.
Lastly this is just a post, if your betta gets sick and/or dies after you get them a heater IT ISNT MY FALT
, I didnt put the heater in your tank, did I? Thanks for your time.