Cut 'em open and pour them in a jar with a tight seal. When you need a pack, microwave hell out of some and rubber band them into a piece of coffee filter.
The colored beads indicate how water saturated they are. When they’re nuked and dried out, they change color. YMMV as some manufacturers use different colors or none at all. Whatever. Nuke 'em and reuse.
It’s an exciting hobby.
I mean, I love pedantry, but this is wrong.
He means “silica” which is the main dioxide of silicon.
So you’re saying that when he says “silicone dioxide,” he means “silica dioxide” (“silicon dioxide dioxide”)?
Oh wow, he said it wrong both ways, hadn’t noticed that. Hah