Thank you so much for responding.
- The tank is 20 litres
- I don't know the levels of ammonia and nitrite.. I don't have anything to test it...
- I've been changing the water 10% every day ever since he started looking ill. Otherwise I was only changing over the weekend about 40%...
I've been...
I'm new to this forum and I don't know if I'm writing in the correct place for this...
I have a betta fish. Recently he's been lying at the bottom of the tank. He seems like he's breathing heavy and fast. He has a swollen abdomen and tail rot.. I've been giving him betta fix for his tail rot...