(DONT MISS IT) World Record Elephant Toothpaste w/ David Dobrik

How they conducted the test with yeast, potassium iodide, and sodium iodide:
1:3 yeast (saf instant)/ warm water
1L 35% hydrogen peroxide
2 teaspoons soap
140 ml KI (at molar max)
140 ml NaI (at molar max)