If you're formula-feeding your baby, you may start your periods again any time between five weeks and three months after giving birth. So you could be fertile just three weeks after having your baby. Learn more about contraception after having a baby. 1  your periods haven't returned properly yet.
Paint tin celing tile to give it an antique look. Clean the tiles using a sponge dampened with dish soap and water. Dry with paper towels or a microfiber cloth. Apply a bonding primer to the tin tile. If your base color will be white or a light color, use white primer; if your base will be dark, use a dark-colored primer. Allow the primer to dry overnight, or as the manufacturer directs. Paint the tin ceiling tile in the base color.
Remove a piece of tile from the solution. Scrub the mortar with a scrub brush to remove the residue the acid has loosened. Rinse the piece of tile with clean water and allow the piece to dry for at least 24 hours before using it. Repeat the process if necessary. Apply muriatic acid directly to the back of a piece of tile if the mortar is particularly thick, such as more than 1/8 inch. Use a paint brush and coat the mortar with pure acid. As it loosens the concrete, use your scrub brush with water to gently scrub and remove the excess. Apply more as needed.