Fill a bucket with water, dropping a couple squirts of dish soap into the water.
Rinse the statuary with a water hose, allowing the water to run or pour along the surface. Do not spray the statuary.
Wet a sponge in the soapy water.
Scrub the entire surface of the statue, using the wet sponge.
Brush any residue off the surface with a soft-bristle brush as necessary. Use tight, circular movements, and focus on crevices and indentations.
Rinse the statue with the water hose, allowing the surface to dry until the concrete regains its original dry color.
Pour concrete sealant into a metal bowl.
Wet a second sponge in the sealant.
Wipe sealant across the surface with the sponge in consistent, straight strokes. Allow 24 hours for it to dry. The concrete will take on a darker gray, almost wet appearance, so you can see the areas you miss. The sealant protects the surface from bugs, vegetation and the sun's rays.