My fish is dying and I can't find the fungus eliminator to go with my methylene blue to treat my bettas bacterial and fungal infection. I was told by one pet store to use primifix to treat it, and by another pet store to use marisyn(spell check) My fish is living in a 2 gallon BOWL, would that help determine which medication to use on my betta? I don't want to overdose my little Scarlet. She needs medicine fast, can someone help me with what medication would be best for my betta and also the safest. Thank you.
Oh, and will I need to change out water over the duration the medication is being given? My fish is having trouble breathing. :(