My tank has set up about two weeks ago. Also i used tetra bactusium for nitrogen cycle.
But after that my flower became sick. I used normal dry food, and i put food in water before using. Each day i gave him four time food, 3-4 seed per each time. But the fish seller didn't do this. He gave much dry foot to him without putting them in water.
Now temperature is 32 degree. Adding aquarium and magnesium salt. And adding metronidazole 250 milligram per each 40 liter. I added this pills on Saturday morning, 2-3 pills for about 80-90 liter. I psiphon 10 liter each day. Today, Tuesday, i added 2-3 pills again. And for the first time I added 4-5 teaspoon of magnesium sulfate. I have not seen any improvement yet.
My fish hasn't eaten for about 4-5 day. But he wants to eat every time i go near him.
Today I put one little seed food in water of metronidazole and gave it to him.
He has became darken and his body has became slim, his head has became small. Recently he goes around a few.
Last night i saw blood in his intestine coming out.
Please help me. I can not speak in english well. Use easy words please.