Yep, float the bag for about twenty minutes. the put the fish in your bucket and slowly add the tank water over a period of at least an hour. If your bucket gets too full just dump some out and continue.
I use a small painters bucket from hoem depot, its about 4 qts and is a GREAT acclimation vessel. I have several just for this purpose. that way the fish has some water in the bucket so its not laying on its side. lol
A 5g bucket is quite big btw, if thats what you intend on using.
180g Reef - 60g Rimless Reef -90G FOWLR- 125g Malawi Cichlids- 40b REEF- 34g Fresh Planted-working on- 20L FOWLR- working on
I have a mix of many different saltwater fish amongst my tanks, but I love my Tangs most of all.