My beautiful girlfriend, Louisa, is a super health-conscious woman. She has recently gotten into juicing, and has been looking for a reusable water bottle that is not made of plastic (which often contain harmful BPA chemicals) or metal (which is often coated in BPA plastics.)
Below is our DIY solution:
Materials for our glass water bottle: Large glass mason jar, glass straw (from Amazon), and 3/4" rubber grommets from local hardware store.
Step 1: Drill hole in mason jar lid. I used a sheet metal bit to slowly step up the hole diameter until it fit the rubber grommet just right.
Step 2: Insert grommet and straw.
Step 3: Enjoy your new glass water bottle.
*Edit* Upon testing the bottle, we immediately found that the rubber grommet makes such a good seal that it creates a vacuum when you try to drink from it. So I ended up adding a small "vent" hole to the metal lid.
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