Golden Acrylic Clear Tar Gel Mediums is designed to produce a stringy, tar-like feel. This gel is excellent for ''dripping'' over surfaces. The more it's mixed, the stringier it becomes. Letting the mixture sit before use allows foam bubbles to rise. - Golden Acrylic Gel Medium - Clear Tar, 8 oz jarGolden Acrylic Medium, CLR TAR GEL 8OZ - Designed to produce a stringy, tar-like feel. This gel is excellent for "dripping" over surfaces. The more it's mixed, the stringier it becomes. Letting the mixture sit before use allows foam bubbles to rise.