Thats my 210 gallon Ive only got 2 monos in there but one is pushing 10"+ and the other is about 5" I have many varieties of plants in there not too sure the species of plants but for the most part I dont have terrible problems with them and the plants. I do have to clean out random pieces of leaves that they break off or the 15" TSN breaks off but I guess its like natural grooming of the plants nothing has died off because of them though. And its not real common that they will completely unroot the plants maybe once a month Ill find a more delicate plant unrooted and I just replant it.