1 tsp of glue : 3 drops of food colouring : 1.5 tsp of water. The more food colouring the darker the jar will be. In order to make a turquoise shade you will need two drops of blue and 1 drop of green.
Modge Podge + Food Coloring to make beautiful, colorful mason jars. (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)