Reply To: Different breeding methods Welcome to the website! › Forums › The Celestial Pearl Danio › Breeding › Different breeding methods › Reply To: Different breeding methods October 24, 2007 at 12:22 am #12739 atlantis_childParticipant A low dose of methyl blue, I think it is helps save eggs from fungusing. There’s definately preventitive chemicals that can be put in for sure though. – Atlantis