kills the weeds/stray grass One gallon of APPLE CIDER VINEGAR, c table salt, 1 tsp Dawn. Mix and pour into a smaller spray bottle. (you can purchase 3 gallon size Apple Cider Vinegar in the canning section of a good hardware store - cheap!
illusion of water via tumbled glass: The first layer is Sagina subulata, Scotch Moss. Then recycled, tumbled glass which you can buy by the pound some places. Next is Ophiopogon japonicus 'Nana' and lastly is a Lirope, I believe.