Echo Dyad ETQ® Turf Fungicide is a next-generation chlorothalonil for broad-spectrum disease control, combined with ETQ technology for increased turf quality from the inside out as well as protection from harmful UVA and UVB rays, heat, and other stress factors. A contact fungicide with a multi-site mode of action, Echo Dyad ETQ disrupts the metabolic activity of fungal pathogens while helping prevent resistance issues and improving turf quality.