You might also want to switch salts. Oceanic normally has very high calcium and low kH. I know your test kits are not showing that however, I would switch to a more reliable salt like seachem reef.
[quote author=Knucklehead link=topic=6941.msg90006#msg90006 date=1237407276]
ive heard that oceanic is very nortorius for very high calcium and low kh also. i agree with ian. go with seachem reef. im also using it.
[/quote]+1
