TSC should have the surficant as well. At least the ones around here do. It's in the same area as their bulk (1 to 2.5 gallon) herbacides, and in the local store, it's up on the top shelf right next to the dye that is used to tint the herbacide to show where it was applied.
Sweet! Thanks, Scott! I searched the site but didn't find this product - evidently wasn't looking for the right things. Appreciate the help. Now to get this thing done tomorrow and see what awaits me Monday evening!