Terra cotta pots make decorative reservoirs for table-top and garden water fountains. The pots are available in a range of sizes, and you can build a water fountain as a focal point or as an accessory. Terra cotta is porous, so make sure that you bring outdoor water fountains inside before the temperatures dip below freezing. Decorate Terra cotta pots with acrylic paint to enhance your outdoor decor. Also, consider attaching mosaic tiles, glass cabochons or broken ceramics to the outside of any pot to add color to the water fountain.
Seal the outside and inside of a 12-inch Terra cotta pot with Terra cotta sealer. Allow the sealer to dry according to the manufacturer's instructions.
Paint the inside and outside of the pot with white acrylic paint. Let the paint dry. Apply a second and third coat of paint to the pot as needed for a solid white surface. Select any color for your fountain; white, yellow and light green make a bright background for colorful glass stones.
Glue flat-backed glass marbles to the outside of the painted pot with clear, waterproof construction adhesive. Place varying sizes of glass stones randomly around the pot to simulate a polka-dot design. Glue four of the glass marbles to the underside of the pot as feet to elevate the pot. Space the glass feet evenly around the perimeter of the pot. Allow the adhesive to dry completely.
Cut a 3-inch diameter rubber disc and slit it halfway across the center. Slid the slit over the submersible fountain pump's power cord, near the base of the pump.
Place the pump inside the decorative Terra cotta pot, in the center. Insert the plug through the drainage hole. The glass feet on the base of the pot will allow room for the power cord to exit the pot unobtrusively. You can also paint the cord to match the pot, if you like.
Glue the rubber disc attached to the power cord over the drainage hole with silicone sealant. Seal around the outside of the disc and over the slit. Let the silicone dry.
Attach the extended fountainhead to the spout on the pump. The fountainhead channels water from the pot and sends it above the pot as a spray. If you lower the fountainhead to beneath the water line, it will create a bubbling fountain. Fill the Terra cotta pot with water. Adjust the fountainhead as you like after plugging in the pump. Make sure that the water does not fall outside the Terra cotta pot.