DUAL-ACTION FORMULA: Controls major lawn diseases and fungus, plus kills listed lawn-damaging insects on contactRAINPROOF: Rainproof in hours – can’t be washed off by rainPREVENTS DISEASE: Start treating when grass begins to green up in the spring; for best results, treat every two weeksQUICKFLIP HOSE-END SPRAYER: Attaches easily to your garden hose and activates at the flip of a switch