If you plan on making glossy or glittery Mod Podge, you will need a slightly-larger jar.
Consider using an acid-free scrapbooking glue. It is more durable and less-likely to yellow than regular glue. Elmer’s glue will work just fine. [1] X Expert Source Nicole BolinCrafts & DIY Specialist Expert Interview. 29 October 2020.
Consider warming the glue in a microwave for about 30 seconds (or fewer, depending on the strength of your microwave). This will help the glue bottle empty easier and faster.
Consider adding ¼ teaspoon of oil. This will help make the product glossier in the end.
Consider adding vinegar. Adding ¼ teaspoon of vinegar can help control fungus and mold from developing in your Mod Podge. If you choose to add vinegar, do so after you have removed the pot from the stove, and give the Mod Podge one, final stir.
Write “Mod Podge” or “Decoupage” on a small piece of paper. Cut a piece of clear, packaging tape that is bigger than your label. Place the label face down onto the middle of the piece of tape. Wrap the packing tape around the glass container. Smooth the tape down to rid the label of any air bubbles.
If you wish to create tinted mason jars that look like sea glass, then omit the varnish.
Simply hold the can six to eight inches away from the surface and spray the paint on using light, even strokes. Once the sealer has dried, you may add a second coat, if necessary. If you added varnish or glitter to your Mod Podge to make it glossy, be sure that you use an acrylic sealer with a gloss finish.
To make your homemade Mod Podge more durable, consider spraying your project with an acrylic sealant after the Mod Podge has dried. #Know that the finish differs between the two. Store-bought Mod Podge comes in all sorts of finishes from glossy, to satin, to matte. It even comes in glow-in-the-dark and sparkling varieties. Unless you add varnish or glitter, your homemade Mod Podge will be matte. Flour-based Mod Podge will may leave behind some residue or a grainy texture.