I have a guy interested in Hydro-Mulching. I wanted to know is there a difference in Hydro-Mulching and Hydro-Seeding I think it is the same but am not sure. Also how much on average does it cost per acre I have about 7 acres I need to bid on. What would you charge to do something like this? The area is pretty flat and shouldn't be that big of a deal hopefully. Any info would be great.