Create Your Own Concrete Orbs in 5 Easy Steps • Adirondack ...
Step 2: Mix the Concrete. Mix your concrete. Start by scooping about a third of an 80 pound bag (about 25 pounds or so) into a container. Add water a little at a time and mix until your concrete is pudding consistency, as shown in the photo. NOTE: If you have an electric drill with a concrete mixer attachment, the job would be a lot easier.