Tested on this very website! https://www.alcademics.com/2017/10/boiled-versus-rested-water-clarity-with-directional-freezing-a-comparison-.html https://www.alc

Tested on this very website! https://www.alcademics.com/2017/10/boiled-versus-rested-water-clarity-with-directional-freezing-a-comparison-.html https://www.alcademics.com/2017/10/boiled-versus-rested-wate... Conclusion they came to (your opinion may vary) is that it's not worth the time and energy to get e.g. 1/2" more clear ice.