Grow1 32 oz. Spray Bottle The Grow1 Sprayer line has a sprayer for every need! Made from the highest grade polyethylene plastic that resists corrosion from insecticides or herbicides, these sprayers are ideal for spraying water, fertilizers, herbicides, pesticides, and more. They can also be used for spraying cleaning detergents or solvent-free preservative treatments. The 32oz Hand Pressure Sprayer is great for small jobs and easy to store.