MilStop from BioWorks Inc. is an EPA-registered, potassium bicarbonate based, broad-spectrum foliar fungicide for curative control of powdery mildew and preventative control of many other foliar diseases.
MilStop has a 1-hour REI and is compatible with many beneficial insects.
The active ingredient in MilStop – potassium bicarbonate – has been approved by the Food and Drug Administration as a G.R.A.S. (Generally Regarded As Safe) product.
Curative control of powdery mildews:
A potassium bicarbonate-based, foliar fungicide that kills powdery mildew on contact by pulling water from spores and their growing strands. It also inhibits enzymes involved in fungal cell wall formation by altering the pH on the leaf surface, providing 1 – 2 weeks of residual protection.