Most people don't know this about lake water

The video likely worked due to its surprising and counter-intuitive "life hack" nature, combined with a clear visual demonstration of a transformation that defies expectations. The use of common household items and a simple, repeatable process makes it engaging and shareable.

The video demonstrates a purported life hack involving lake water, Coca-Cola, salt, and a tablet. The mixture is frozen, then microwaved, and finally filtered through the tablet into a glass, resulting in a surprisingly clear liquid.