• TheIllustrativeMan@lemmy.world
    link
    fedilink
    arrow-up
    1
    ·
    7 months ago

    I mean you could kinda do that yourself with UV ink and an appropriate flashlight. Put some in the bowl and some in the tank, maybe even different colors to see which portion contributes more.

    • OpenStars
      link
      fedilink
      English
      arrow-up
      1
      ·
      7 months ago

      There you go then, now we can all go nuts, flushing away!:-)

      img