Waiting to for LA to respond will be too late if Brook. They go down fast . I don't remember Prazi being drug of choice for Brook. I won't order from LA anymore . To me the guarantee is not worth seeing fish come in that way. I have had my own experience . Got shipped fish in middle of winter and no heat packs . Although that was before the change in ownership, but seeing what they sent you just sends the message that things have not changed. Fish did not do well some dead . Called them and quick to say they would send more . To me that s not the point . Callousness . So until people stop buying from them will they consider changing the way they handle fish . Unfortunately they are not the only one. I am trying to buy captive raised when I can and from LF that try . Even they get fish from many wholesalers that could careless. So on the horizon I see limited selection but to me worth it in long run . Biota , ORA , Poma labs , Sea &sea .and others. Just wish I could buy direct from them all rather than middlemen. Poma sells directly . Algae barn sells biota mandarins . I see Biota dwarf coral beauty on La DD but still won't purchase from them .