dilemma

So, I picked up some new fish a couple of weeks ago and luckily added them to a quarantine tank to keep an eye on them before putting into established tanks. Low and behold, the fish developed ich and I treated with copper and elevated temps. Unfortunately, the treatment was not sufficient and...

For my planted 20 long, I'm thinking a group of about 12 harlequin rasboras, rcs, a couple nerites, and some dwarf cories. Maybe a pair of dwarf gouramis if there's room. I'm taking it slow. I added 3 rasboras last week and they're doing great. I've been working on the tank for about 3 weeks...