Anyone can blow bubbles with that soap formula and a bubble wand, but what about blowing bubbles rings underwater. It surprisingly, isn't too much different from blowing regular bubbles underwater. You'll need to be able to hold your breath for a long time and to be able to stay under the water's surface (the deeper you can go, the longer the bubble ring will last). Watch this video bubble-blowing tutorial and learn how to blow bubble rings underwater.

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