loss of colour

Hi, I am hoping someone can offer me some advise. I have a 200 litre tank with some cardinal tetras, mollies and dwarf rainbow fish. All had been going fine untill a couple of days ago when I added two dwarf red gourami's. Initially one was very unfazed by the introduction the other went and...

Hi everyone. I got a new Betta 2 weeks ago and I’m looking for some advice. We cycled the tank for 6 weeks prior and did all the checks to make sure the water was safe. However after 2 weeks the betta began to become less active and more lethargic. I thought I may have over fed him and stopped...