Pink Effervescent Tablet Dissolving in Water

Pink Effervescent Tablet Dissolving in Water

This image shows the chemical reaction between the citric acid, bicarbonate, and water, creating carbon dioxide and rapid dissolution of the tablet. Ripples from the tablet dissolving can be seen on the water surface, as well as bubbles from the carbon dioxide under the water and surrounding the tablet.

Full Report explaining physics, set-up, post-processing, and other useful information regarding the image above:

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5 Comments. Leave new

  • Xeen Meighan
    Sep 15, 2025 13:13

    I like how in this image you can see both the bubbles that have formed on the surface and then also the ones that are below. It adds a nice depth to the image.

    Reply
  • Zach Taylor
    Sep 15, 2025 12:59

    I like the framing and the reflection of the surroundings, where it gives no sense of scale like it might be in a pink alien ocean.

    Reply
  • Katya Flaska
    Sep 15, 2025 12:57

    I like that you were able to capture various sizes of bubbles in this photo in such a focused manner.

    Reply
  • Luke Freyhof
    Sep 15, 2025 12:57

    I think that you did a great job capturing and explaining the process of a tablet dissolving in water. You didn’t do too much post processing because the processing that you did do helped improve the presentation of the flow phenomenon.

    Reply
  • Alana Martinez
    Sep 15, 2025 12:56

    Seeing the dark pink color in contrast with the light white bubbles is very interesting and really highlights the reaction between the tablet and your fluid.

    Reply

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