Ohhnoo UG arrggghhhh. I found it in my community tank a few weeks ago it's such a pain. I didn't know I had it till I saw an fb post about it and had unknowingly infected all the plants I had set aside for my shrimp tank. Luckily I found out before I planted the shrimp tank and spent days making sure I got every tiny bit. I've just finished removing most of it from the rest of the plants & moss I had in the com tank, (I took them all out), but I still need to go through them again to make sure I got it all before I put them back into the tank.
Silly thing was, the day before I knew I had it, I saw a fb post from a guy nearby that had a bucket full of it from his tank. I keep hundreds of cp's that need to be kept in big water trays and they get heaps of bugs and mozzie wrigglers in them, plus I love carnivorous plants but have no aquatic ones. So I asked if I could have it to put in the water trays to see if it would help keep mozzie numbers down, with out knowing I already had it lol. I did score about 25 crypts & too many small java ferns to count from his bucket full and the trays with the ug have a lot less bugs in them.