hi .. so i got 30lbs of live rock from my lfs.. and didnt have my tank running yet so the lfs guy said i can store it in buckets of salt water at any temp and it will be ok. temp was arount 40 -75. and salinaty was 1.025 and they were in there for a week. here are the pics.they all looked like the rock on the rite,now they are getting darker.. are they dead??? and if they are dead what do i do to turn them back into live rock?? im starting a 50 gal fowlr with that 30lbs of rock,60lbs of dry sand,and i have 2 filter bags iv been storing in my fluval canister filter on my running 30 gal fowlr. what would you do to start this tank???