this post was submitted on 20 Feb 2024
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Silica gel desiccant bags. That's the same thing used in a lot of packaging material, like the little thing that says "do not eat" in a pill bottle or electronics bag.
I save every one of these packs. Keep them in a gallon storage bag. Use in case of emergency.
you need to boil the water out of them before use btw
Like in the oven?
Yeah, if you want to keep them ready then bake them off above 100 C for 2 hours or so then whack em in something airtight so they don't hydrate again.
You can actually buy silica gel beads with an indicator dye that goes from blue to purple when wet so you can tell at a glance if they're ready.
Pretty cool, thanks
Oven at 150c for 2-3 hours according to google