fish health

So I had a old pre Drilled 110 tub hanging around and decided to fill it for some baby koi Im getting on Tuesday and the treads on the gasket were a bit chewed up and it was leaking. I didn't have tape on me the other day so i used Gasoila Soft-Set on it and it stopped the leak been holding for...

The other day I discovered one of my fish belly up on the bottom. Quite a shock as it was behaving normally the night before. The only change to my usual routine is treatment with levimasole recently due to seeing a bunch of white stringy poop in the tank. I don’t have a microscope so examining...