Hey everyone, I haven't posted in forever!! I recently set up a sorority tank to the exact specifications of everyone here on the forums, and things were going great! It's all real plants, and there's plenty of them in there to break up the line of sight as well as a rock arch centerpiece everyone can hang out in. It's 10 gallons with 5 females, and I introduced everyone in order of least to most aggressive. After some brief tussling, everyone seemed ok and were even hanging out around one another. However, I had pulled a plant out of my plants only tank and thrown it in there, and with it came that nasty oil slick looking protein stuff on the surface! The surface was looking gross and thick, my pellets wouldn't sink down so I did a 50% water change, making sure to scoop from the surface to try and get all the nasties. I refilled with conditioned water, moved some plants around to get a more even distribution, and fed everyone. I watched while feeding to make sure everyone got a fair share, and I'm happy to say each fish ate her fill. When I got home today though, my blue girl was dead on the bottom of the tank, with nearly all her color gone and fins chewed up. Now I must ask, should I do anything drastic to the tank? Maybe some AQ salt for everyone (I saw some inflammation of the gills on some when I brought them home). Also, should I add another fish to bring the number back up to 5, or is 4 ok?
I'm not too sure what's up in my tank guys, help me!