Freshwater Aquarium Plants Profiles
Hi, my name is Alex. I'm beginner, got my aquarium just 2 months ago.
I have 20 gallon tank and species in: Angel Fishes, Black Mollies, Neons, Corycat, Swordtail fish.
I realized that my plants getting lots of black spots on them. It shows only on old leaves, new ones still fine.
Can someone...