Urban wildfires like LA’s make harmful chemicals from burning plastics and electronics that can make indoor air dangerous for months.

Aerial fire suppressants are generally a mixture of water, ammonium phosphate — essentially fertilizer — and iron oxide, which is added to make the retardant visible, said Daniel McCurry, a civil and ...

Aerial fire suppressants are generally a mixture of water, ammonium phosphate — essentially fertilizer — and iron oxide, which is added to make the retardant visible, said Daniel McCurry ...

How Do They Work? Aerial fire suppressants are generally a mixture of water, ammonium phosphate -- essentially fertilizer -- and iron oxide, which is added to make the retardant visible ...

Phos-Chek is made from ammonium phosphate – a salty compound similar to many common fertilizers – which is mixed with iron oxide to create its bright pink color. Manufactured as a powder ...

Aerial fire suppressants are generally a mixture of water, ammonium phosphate — essentially fertilizer — and iron oxide, which is added to make the retardant visible, said Daniel McCurry ...