Many thanks to everyone with your suggestions.
Yes I am in UK, i have now seperated them and treated the sick ones with metaflix blue. yes i have filter fluvual 240 and thermo and light, and yes and no to the fish some anwering some questions or telling me a little about the fish. I am going to...
I am new to this, so i will explain the best i can and hopefully someone can anwer.
as with everything in life i wish that i had researched this hobby a little better.
i have a tropical tank (approx 120 litres). i regularly change the water (i.e 10-20 % weekly). I have/had gouramis (dwarf...