Mix Elmer's glue with food coloring and paint it on to any glass to make it look like seaglass when dry In a bowl add one teaspoon glue, three drops food coloring, and 1 1/2 teaspoon water. Might want to try Wilton food color.
DIY tinted mason jars with Modge Podge and food coloring. ( mix Modge Podge and coloring in a bowl then coat the inside of the jar. Make sure color is dark enough for bright color. Place upside down on wax paper 30 min. Then put in oven 170 for 10min upside on wax paper. Then turn right side up for 30 min. Perfection)"