Pianotips@hotmail.com
Guest
Corals are bleaching... and all of the sudden i am having a mass die off >< my water levels are perfect.. no ammonium/nitrates/nitrites/phosphate they are zero.. alkalinity is at 5'ish (im dropping it) .. calcium is at 450ish >< any ideas? Ive done a huge water change.. 50 percent. everything was fine till a week ago..then the xenia starting dying off..