sick guppies

Hey all, I’m new to fish/aquarium’s, I have a 5 gallon aquarium, 3 female guppy’s, 1 male guppy and a snail. Water was cloudy for a week, and it started getting better the second week, but I noticed one of my females guppy’s tails had turned black. Did a full tank clean, and in the secondary...

About two weeks ago I purchased three male guppies. I put them in a 3 gallon tank with a interior power filter and preformed a 25% water change about every 2 weeks. Everything seemed to be going just fine until yesterday one of them got stuck in the filter and died. Now I am starting to notice...