We have been going through betta at a rate of about one a week during the 5 weeks. Fish store has tested our water a few times and said it's fine. Any suggestions on what we should do?
What size is your tank? 10 gallon divided tank
What temperature is your tank?
Does your tank have a filter? yes
Does your tank have an air stone or other type of aeration? no
Is your tank heated? yes
What tank mates does your betta fish live with? 1 betta on each side of divided tank. 2 snails per side.
What type of food do you feed your betta fish? usually pellets; occasionally bloodworms, flakes
How often do you feed your betta fish? 2 times per day (2 pellets)
How often do you perform a water change? once a month
What percentage of the water do you change when you perform a water change? 30-40%
What type of additives do you add to the water when you perform a water change? started adding Prime Chlorine reduce 1 week ago; tap water conditioner, stabilizer
Have you tested your water? If so, what are the following parameters?
Ammonia: about 0
Nitrite: other parameters tested at fish store and said to be normal
Symptoms and Treatment
How has your betta fish's appearance changed? not that we've noticed
How has your betta fish's behavior changed? After 4-5 days, they become lethargic. Spend a lot of time at bottom of tank, or hiding. Not eating.
When did you start noticing the symptoms? After about 5 days.
Have you started treating your fish? If so, how? No - just adding variety to diet.
Does your fish have any history of being ill? they've all been new
How old is your fish (approximately)? We've had them a week