HELP please i have over dose my tak with calicum by mistake and its sitting at about 1000ppm i have done a few water changes like and it barely even has any effect is that do to the fact that sea salt has calcium in it? any suggestions? i need to get them back to normal it has been like this for a couple of weeks and my corals seem to be alright excet for my open brain, sun coral and pruple sea fan which is ok but could be doing alot better and suggestions on how to cut the calcium out?