"The way that we did that was you take a filter out of the camera that's blocking the IR light and it made this beautiful pinkish-reddish color. We put Ryan on a stage surrounded by a bunch of chicken wire filled with infrared lights that were, like, sparkling. And then we had Greig [Fraser, Director of Photography] build an aquarium, a double glass window with a hose dripping water through it in front of a handheld camera and then he would stand around Ryan who going like this [reaching out and touching astrophage floating around] in a chicken cage, but he couldn't see anything because the lights are invisible to the naked eye."
-Phil Lord and Chris Miller on The Big Picture Podcast discussing the hardest scene to film
