#ed_op#DIV#ed_cl##ed_op#DIV#ed_cl#is it a good thing to provide reef additives, to help keep things in balance. i once read not to add anything, unless you can test that it needs it any opions, also i was looking at a reef pack kit that has reef calcium strontium and iodide any thoughts?#ed_op#/DIV#ed_cl##ed_op#!-- / message --#ed_cl##ed_op#/DIV#ed_cl#