The instructions said, use a gal jar and a type of stand place the jar in the water on its side, let it fill with water(completely sbmerged) then tip it up slowly bottom up, and place the jar mouth into the stand, making sure to keep the mouth under water
Just 3 simple steps: Pour quick-set concrete into the mold on any flat surface. Smooth with a trowel. Wait one minute, lift mold and move on. This mold measures 20 inches x 24 inches x 2 inches, and holds one 60 pound bag of premix concrete.