You can water 24 hours after applying Bifen IT.
You can mix Bifen IT with an herbicide as long as there are no restrictions on the label for the other product that you are using. We recommend performing a small jar test for compatibility any time you are using two new products together for the first time. Be mindful that you are only applying your herbicide in the correct areas.
Bifen IT is mixed at 1 fl oz per gallon of water per 1,000 sq ft monthly to the listed exterior areas. For 3/4 acre, you will be applying approximate 33 fl oz per treatment to cover 32,670 sq ft.
The shelf life for Bifen IT is 3-5 years from the date of purchase if stored at room temperature.
For most pests, you will use 1 oz. of Bifen IT per gallon of water to cover 1,000 sq ft. Please refer to the product label for complete application instructions.
We recommend that you either wait at least one year before planting edibles where Bifen IT has been sprayed or that you excavate the soil in the area you want to plant. You can also create raised garden beds where you would be bringing in fresh soil media.
Bifen IT is an excellent insecticide and is labeled for ants, including fire ants.