Here is a list of links related to desiccant packs where you can find useful and more in-depth information.
- Desiccants – Wikipedia page on Desiccants
- Silica Gel – Wikipedia page on Silica Gel
- Activated Charcoal – Wikipedia page on Activated Carbon/Charcoal
Here is a list of suppliers who offer Cobalt Chloride Free Silica Gel:
USA / North America: – SilicaGelPackets.com
Europe: – SilicaGelPackets.co.uk
Australia: – SilicaGelDesiccant.com.au
New Zealand: – SilicaGelPackets.com.nz
If you have a related link that you think would think would be worth sharing with others, let me know in the comments and I will add it to the list.