An antibacterial treatment could kill the chloroplasts which are technically bacteria. I think I recall experiments 'curing' euglena of their chloroplasts. On Mon, Feb 15, 2021 at 8:07 PM kellyo--- via pbs < pbs@lists.pacificbulbsociety.net> wrote: > > > 12.5 percent seems high for a known fatal condition among photosynthetic > species. > > I very rarely see that. Because it happened to two different species at > the same time, I would suspect some unusual environmental condition. > Maybe a unintentional chemical treatment or irradiation of some kind. > Live in an industrial area or have a cell tower above your house? > (mostly joking, lol) > > -- > This email has been checked for viruses by Avast antivirus software. > https://www.avast.com/antivirus/ > > _______________________________________________ > pbs mailing list > pbs@lists.pacificbulbsociety.net > http://lists.pacificbulbsociety.net/cgi-bin/… > Unsubscribe: <mailto:pbs-unsubscribe@lists.pacificbulbsociety.net> > _______________________________________________ pbs mailing list pbs@lists.pacificbulbsociety.net http://lists.pacificbulbsociety.net/cgi-bin/… Unsubscribe: <mailto:pbs-unsubscribe@lists.pacificbulbsociety.net>