As big as you can get
If you betta is in a small tank, placing it in a location that has a warm ambient room temperature should be enough to keep it to betta preferred warmth. If you do not, then you should look at getting a small heater for your tank, but you may need to get a larger tank to allow for the use of a heater as there are no heater models made for anything smaller than a 2.5 to 5 gallon tank.
Well, Yes and no. Betta do like LIGHT to be able to distinguish night and day, they also need the warmth, but you can use a heater. betta fish do need light, but it is not good to keep a betta in direct sunlight as it may increase the temperature byy far too much. so just keep it in light at day, or get a lamp.
Betta fish may be dying due to poor water quality, improper tank conditions, or diseases. To prevent this, ensure the tank is clean, properly sized, and has a heater and filter. Regular water changes and monitoring for signs of illness can help keep your betta fish healthy.
You can not keep Betta splendens males together without them trying to kill one another. You can only keep a male and female Betta s. together while they are courting and spawning. Afterwards he will kill her if she is not removed. You can keep male or female Bettas with most other species of fish with no problems.
All bettas will fight each other, male or female. Always keep them separated.
Betta fish can survive out of water for a short period of time, typically around 15-30 minutes. It is important to keep them in water to ensure their health and well-being.
The essential components needed for setting up a betta fish tank include a tank of at least 5 gallons in size, a filter to keep the water clean, a heater to maintain a stable temperature, a light to provide illumination, and decorations or plants for the betta fish to hide and explore.
First make sure if you put tap water in there you put water cleanser in there which can be bought at a pet store. Keep your betta in the bag and float it in the tank for 15 min. then without dumping the bag water in the tank use a net to move your betta to the tank.
To turn on a baseboard heater without a thermostat, you can manually adjust the temperature setting on the heater itself. Look for a dial or switch on the heater unit to control the heat output. Simply turn the dial or switch to the desired temperature to activate the heater. Keep in mind that without a thermostat, you will need to monitor the temperature and manually adjust the heater as needed to maintain a comfortable level of warmth.
A betta eats a few pellets or a pinch of flakes 3 times a day. It is best to use only food designed for a betta. Also keep in mind that a betta's stomach is the size of his/her eye.
To care for a betta fish, provide a tank with at least 2.5 gallons of water, a heater to maintain a temperature between 75-80F, and a filter to keep the water clean. Feed them high-quality betta pellets or flakes once or twice a day, and occasionally offer live or frozen foods. Change 25-50 of the water weekly and monitor water parameters regularly. Avoid overfeeding and keep the tank decorations simple to prevent injury.
Personally, I wouldn't keep anything in a 1.5 gallon tank. Not even a single Betta. I consider 5 gallons to be a minimum for a single betta.