Temporary frag tank?

[coralosity351]

I need to take my 80 down for a couple months to work on the the 125 ready. Can i use a frag tank as a temp home for everything? Yellow Tang ,coral beauty , mandarin, percula clown, mostly softies and a frogspawn. Frag tank is 48x18x11tall

 

[coralosity351]

Also will be plumbed into a 20 gallon sump with skimmer