After spraying and watering the surface could see the success in no time. The moss was black - then go with a scarifier on the surface and overseeding.
But you should know what is to come:
You get a 25 kg bag in the carton with the Moss Killers (white powder), which has a something unpleasant smell (reminds me of the smell of railway stations in summer when trains brake) - According to print is the content and not to be trifled with - say, protective clothing (gloves, face mask, protective clothing) and please do not let alone be on the skin or in the eyes.
