That or Dodd has created colonies of charcoal - based mould spores that have organized themselves into larger living masses. (vulture.com)
F7, which is the requirement for Passive House, filters out about 95 % of the nasty stuff, PM2.5, which is pretty cool, nearly all pollen, and most mould spores. (elrondburrell.com)
High concentrations of mould spores inside your house can lead to adverse health effects such as coughing, wheezing and shortness of breath. (remonline.com)