Mark Rober's CrunchLabs

Season 3 Episode 3: Building a Liquid Sand Hot Tub

With the right amount of forced air, a hot tub filled with sand can look like a bubbling pot of soup. But how? Mark breaks down the science behind it.

Genre:

Family, Documentary

Seasons:

3

Episodes:

24

Quality:

HD

Status:

Returning Series

First Air:

2025

IMDb:

9.7