Hi everyone! So, I'm going to be moving the fish in my 10g community tank to a 20g high. At the moment, I have 4 herlequin rasboras, 4 cherry barbs, 1 baby honey gourami, and 1 young clown pleco. Once I add them to their new tank, I would like to add a few more fish with low bio-loads so I don't overstock. I was thinking maybe adding more rasboras and cherry barbs, but I also really love cories. Could I add some without overstocking the tank? My water is quite soft and my ph is about 7.5-8ppm. Also, I plan on carpeting the bottom of the tank with dwarf hairgrass or something similar. If I do add cories, would they destroy the plants? Thanks!