https://www.biobasic.com/chloramphenicol-4152 heres a link to buy chloramphenicol. Its potent so if you leave a coral in it overnight because you forgot it there, the coral will be dead (learned from experiance) BUT ive use this MANY times to stop tissue necrosis on LPS and SPS corals. Good luckAuto-pilot, where i can get the antibiotics.... ?