ragged fins

I have a Betta fish whose fins look a bit raggedy. I thought he had fin rot before and dosed with Aquarium salt and bought but did not use meds. I'm new to this and had some problems with water hardness which now looks resolved. He eats and blows bubble nests. My parameters are nitrite 0...

I have a 36 gal bow front tank that is almost a year old. My water is good, no ammonia, no nitrite & low nitrate. Ph always around 8.0. Temp 79 I got 2 swords almost a year ago just after starting my tank so they are the oldest fish in the tank. 1 died for no reason about a month ago. 3 days ago...

Long time since posting....fish have been well. I have six leopard danios in my 100 litre tank, along with eight rasboras and a couple of old neon tetras. The leopards have been very well but I have now found one with a small pink lump towards the base of the tail and a slight degree of fin...

I have three new Angel fish (approx 5cm height) which after two weeks in the tank appear to be showing signs of fin rot. I have looked at the usual suspects - water quality, overfeeding, temperature, overcrowding and conclude it is probably stress-related, following their introduction into the...