I am just seeing this thread and wanted to comment on the serratia marcescens they found in his cultures.
per wikipedia: S. marcescens is commonly found growing in bathrooms (especially on tile grout, shower corners, toilet water line, and basin), where it manifests as a pink, pink-orange, or orange discoloration and slimy film feeding off phosphorus-containing materials or fatty substances such as soap and shampoo residue.
per me - when I had humidifiers with filters I found this growing on the filters or with the ultrasonic ones, on the plastic. Do you use humidifiers?
I have tried every type.
I now use Venta Airwashers for humidity because I can chlorox it regularly. If I let it go too long I will see little pink spots in a corner. I don't know why it is such a problem here but I keep cleaning......and although I don't like some of those smelly bathroom cleaners I have resumed using them.
per wikipedia: S. marcescens is commonly found growing in bathrooms (especially on tile grout, shower corners, toilet water line, and basin), where it manifests as a pink, pink-orange, or orange discoloration and slimy film feeding off phosphorus-containing materials or fatty substances such as soap and shampoo residue.
per me - when I had humidifiers with filters I found this growing on the filters or with the ultrasonic ones, on the plastic. Do you use humidifiers?
I have tried every type.
I now use Venta Airwashers for humidity because I can chlorox it regularly. If I let it go too long I will see little pink spots in a corner. I don't know why it is such a problem here but I keep cleaning......and although I don't like some of those smelly bathroom cleaners I have resumed using them.