chromis qt

Hello all, I currently have a 47gal DT (90/45/45cm) with a pair of clownfish and I want to add 5 small chromis. My QT setup is a 13.5gal Fluval Evo and I was wondering if it would be okay to add all 5 chromis for the 30day QT period which I will treat them with cupramine. Thank you.