Hi, guys I have a problem coz every time I add any inverts on my tank after 1 day all of my inverts die's, and I notice that some one drop a few coin’s on my tank, but my fish is living well I have regal angel, singapore angel, powder brown tang, clown fish etc... and their doing well but my inverts is dying I use always a drip method for acclimation. Pls. help me to solve my problem.