INSTRATA® has all the assurance you need. Superior to standard tank-mix products with multiple modes of action, Instrata is the industry standard for control of pink and grey snow mould. Containing three active ingredients in addition to WeatherStik®, Instrata is a unique Syngenta formulation called a Suspomicroemulsion. Instrata contains Propiconazole at a guarantee rate of 57g/L, Fludioxonil at a guarantee rate of 14.5 g/L and Chlorothalonil at a guarantee rate of 362 g/L. Read more.