I currently have a 75 gallon tank. On upgrading to a 125 gallon tank. I'm taking the kole tang out and in a separate tank for a week or two maybe longer. I plan on multiple tangs in the new tank. Adding the yellow eye kole tang with a powder blue and silfin tang and another tang. Undecided on the forth tang. I'll be putting them in separate acclimation boxes for a few days in the dt before releasing them on the new dt. What will be a good 4th tang for the dt?