Hello,
I have a 60gal planted tank, water parameters as follow;
pH 7
nitrites 0
nitrates 5
ammonia 0
I stock 4 angelfish, 1 golden ram, 3 cory pandas 1 mystery snail, and 2 otocinclus. While I was about to remove my fiber media in my sump to rinse I found these dark grey to black lil worm...