You would use 1.5 to 2 ounces of TurfVantage Humic LC Soil Conditioner in 3 to 5 gallons of water per 1,000 sq. ft. so for 2.5 quarts of product (80 oz) you could cover 40,000 sq ft. The 2.5 gallon jug that we sell you could cover up to 160,000 sq ft. or roughly 3.67 acres when applied as directed on the product label.
TurfVantage Humic LC Soil Conditioner helps enhance nutrient uptake therefore it will promote the health and growth of your grass and possibly the weeds around. You can use TufVantage Humic LC Soil Conditioner every four months during the growing season until it gets close to freezing and you could use SpeedZone Lawn Weed Killer Concentrate to kill the ground ivy, please review the label to be sure it will be safe on your turfgrass and for application instructions.