Sodertech, if your LFS
told you it was okay to put those fish in an uncycled tank (which I'm assuming is what you have) you should never, ever, go back there again. The fish are dying because the tank is cycling--that is, it's building up the bacteria it will need to support life. The problem is that the process of getting there is terribly hard on fish, as you are learning. Right now you've probably got ammonia through the roof, and ammonia is very toxic to fish. The best thing you could do is take the remaining fish back to a LFS
and cycle the tank with LR
or raw shrimp. Failing that, go to any pet store--petco, whatever's open--and get an ammonia test kit for SW
and test your water. Then you will have to do a water change--a big one. Other folks (see first-timer89 above) recommned ammolock, a product that's supposed to bind up the ammonia. I've never used it, but given that you're about to lose all your fish I suppose it couldn't hurt.
Get water mixing for a change if you don't have it already.
Please let us know how the fish are doing--if you can tell us more about your SW
experience and your tank set-up people can be of more help. If you don't do anything, your fish probably won't make it past tomorrow.
tank with 29-gallon sump
2x Maxijet powerheads
Mag drive 9 return
Coralife 4x65 Lunar Aqualight
120 lbs rock from liverocks.com
1 peppermint shrimp and 1 fire shrimp (very shy)
2 black Ocellaris, Squish and Smudge
3 chromis, too identical to name as yet, in QT
29-gallon with two goldies, Carrot and Orangehead