The lowest acceptable water temperature of Thai betta fish is 18 ℃. They are tropical fish and prefer higher water temperature. When culturing artificially, it is best not to keep the temperature in the lowest acceptable range. Because the low water temperature will make them lose appetite, reduce their activity and get sick easily. Usually, the water temperature can be kept between 22-24 ℃. In this temperature range, they will live more comfortably and grow faster.

1. Water temperature: Thai betta fish is tropical fish and likes higher water temperature. When raising artificially, it is best to keep the water temperature between 22-24 ℃ with a heating rod. Usually, the lowest water temperature should not be lower than 18 ℃ and the highest should not exceed 32 ℃.

2. Water quality: Thai betta fish do not require high water quality. They can live in weak acid, weak base and neutral water. Breeders usually only need to keep the PH value between 6.2 and 7.5. They don't pollute the water seriously, and breeders only need to change the water once a week.

3. Feeding: Thai betta fish is not picky about food, and there are many kinds of food that can be eaten. Breeders can choose animal feed and plant feed to feed together, which can not only ensure their adequate nutrition, but also enhance their resistance and immunity. Thai betta fish in their infancy should be fed 3-4 times a day, and the amount of each feeding can be finished within 5 minutes. When they are adults, they can be fed twice a day, and the amount of each feed can be eaten within 10 minutes.