Both bleach and iodophors should be made up in cold water in order to prevent breakdown of the disinfectant. Quaternary ammonium compounds are generally odorless, colorless, nonirritating, and ...

These are used in disinfectant sprays ... but not other brain cells – are surprisingly vulnerable to quaternary ammonium compounds and organophosphate flame retardants," says Cohn.

Successive exposure to traditional disinfectants and quaternary ammonium compounds enhances resistance genes expression and co-selection in biofilm-based partial nitrification-anammox systems.