Your fish probibly experenced significant shock to their systems during the transfer, and I doubt the water treatment solution helped any.
Did you use the water from the old system? did you cycle your new tank before adding the fish? Starting up a new system takes time. Its not a one day event. My tank was cycling for 3 weeks before I felt the parameters were stable enough. and after that I waited until my algea bloom went away before I added fish. ( another 4 weeks)
Your algea bloom is probibly a result of a new system cycling. Its perfectly normal. Just wait for it to pass, wait for your rock to cure, and after all of the parameters have been stable for a week, wait another week. Then you can add fish.
Paitence is the key! 8)
Hardware: 37 gallon SW
tank and stand by Oceanic Systems, Magnum 350 Pro Canister Filter (half carbon), CPR Bak Pak 2R skimmer, Maxijet 1200 Powerhead, RenaCal 150 W heater, Compact fluorescent lights with moonlights. 40 lbs of liverock, 3" sand bed.
Software:2 Tank-Raised Ocellaris Clowns, 1 Purple Firefish, 1 Electric Orange hermit crab, 18 Blue Legged hermit crabs, 8 or so Nassarius snails, Xenia, Blue, green, and Green Striped Mushrooms.
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Central Illinois Marane Aquarist (CIMA) member.