ok,ive been running my saltwater tank since september i have 2 clowns,4 damsels and a chocolate star fish when i do my water test they all come out fine. the problem is that when i place invertabrates in my tank they die im not sure what i need in my tank.im running my tank with a fluval 404 and a berlin airlift protein skimmer i have a few live rock not much,i just dont understand why my shrimp died when i placed it in my tank if i acclimated it properly,if anyone can help just holla at me,thanks