Fill a bucket with hot water, and add 1 to 2 tsp. dish soap or upholstery cleaner.
Dip a cloth in the bucket, and wring it out. Wipe the water rings vigorously with the cloth.
Rinse the cloth with clean water. Wipe over the spot to remove any soapy residue.
Press a towel to the microfiber sofa to absorb any excess water. Allow it to dry completely.
Brush the microfiber sofa lightly with a soft brush, such as an old toothbrush, to restore its original softness and texture.
Dampen a cloth with isopropyl alcohol.
Wipe the water rings thoroughly with the cloth. Allow the alcohol to evaporate completely.
Brush the microfiber sofa with a soft brush to restore its original appearance.