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.
Learn a technique for staining glass that’s waterproof, dishwasher safe, and non-toxic. But what I really love is the card stock/scrap book paper with the lids. Easy to poke a straw through, easy to make a mason jar to-go cup!