Video - Lazy way to wash new sand

[bossteck]

Chanced upon this video while looking for something else.
Apologies if it has been posted before.

[Luc Tango]

nice! haven't seen this before. time to fill my tank.

[stormhawk]

I posted this in a separate thread earlier. This is the lazy man's way of cleaning sand. However, I could not determine if it was normal quartz gravel or fine sand in the video.