Marcia Selsor’s Tips on Obvara Firing Enhance the effects of an obvara firing by texturing the surface! Marcia Selsor • August 12, 2020 • Read Comments (26) (0 votes, average: 0.00 out of 5)You need to be a registered member to rate this. Finished pots fired with the obvara firing technique, by Marcia Selsor The obvara firing process, which originated in Eastern Europe around the 12th Century, involves scalding the finish on the pottery to seal the porous surface. Similar to the raku pottery process, a bisqued pot is heated, in this case to 1650°F (899°C) and removed from the...