cory cats

hello! I am so scared and in desperate need of help. My 3 corydoras skin is peeling and they are not eating. One of my albino dojo loaches was floating at the top but he would swim away when I went to net him. I thought they were all dead due to cloudy eyes and lifelessness but when I went to...

I have a 20 gallon tall planted tank, thats been dirted with mineralized top soil with peat added and pool filter sand as the cap. I also have some bunches of Anacharis growing. Its only stocked with 4 cory's right now, but i have a pair of German blue rams i'm adding soon. All that aside, I'm...