its cuke nuke
i got a cucumber from a pet store that was injured or the owner ****ed the cucumber off i put it in my tank and it killed all my fish and few coral and electric scallops died
here is my history with cuke nuke
http://www.canreef.com/vbulletin/sho...t=87760&page=4
i did 80% water change and everyday i did lots of water change
good luck