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How to reuse silica gel packets
This annoying packet has a multitude of household uses.
Tuesday, July 27, 2010 - 16:29
DON'T THROW AWAY: They're reusable, just not edible. (Photo: jorho123/Flickr)
We find them everywhere, popping out of all sorts of packaging, lurking like an ugly bug in vitamin bottles and new shoes. Working freight at my store, I touch dozens of silica packets each day and often ask what I can do to recycle them. Couldn't we collect them and send them off to a manufacturer for reuse?
Silica gel is a desiccant, a substance that absorbs moisture. Despite its misleading name, the silicate is actually a very porous mineral with a natural attraction to water molecules. Manufacturers utilize the gel to keep goods from spoiling, molding or degrading due to humidity. The gel itself is nontoxic, but can have a moisture indicator added (cobalt chloride) which is a known toxin that turns pink when hydrated and is otherwise blue in its dry form. Most silica found in our food and household purchases looks like tapioca beads and is benign unless combined with certain chemicals.
Although silica gel has massive potential for reuse, I haven't had any luck finding a recycler. But I did discover several great suggestions for using these packs around the house and keeping them from the landfill just a wee bit longer.
- Put packs in your ammo cans and gun cases/safes to keep dry.
- Protect personal papers and important documents by putting some gel in a baggie wherever these are stored.
- Keep with photos to spare them from humidity. Tuck a small envelope in the back of frames to protect even the ones hanging on your walls.
- Store in camera bags and with film. After snapping photos in cold or wet conditions, silica gel will absorb moisture to keep your lens from fogging or streaking.
- Leave a couple packs in your tool box to prevent rusting.
- Use the material to dry flowers.
- Place with seeds in storage to thwart molding.
- Stash some in window sills to banish condensation.
- Dry out electronic items such as cell phones and iPods. Remember after the device has gotten wet, do not turn it back on! Pull out the battery and memory card and put the device in a container filled with several packs. Leave it in there at least overnight.
- Slow silver tarnishing by using the gel in jewelry boxes and with your silverware.
- For items in storage, such as cars or anything prone to mildew. Popular Mechanics offers a good suggestion for use in engines of sitting vehicles.
- Tired of buying big bags of pet food only to have it get soggy? Store your kibble in a bin and tape some silica packs to the bottom of the lid.
- Cut open the packs and saturate the beads with essential oils to create potpourri.
- Use in luggage while traveling.
- Tuck some in your pockets. Hide them in your closet in leather goods such as coats and shoes, and even handbags, to help them survive life in storage.
- Gather your razor blades and keep in a container with several silica packs to stave off oxidation.
- Video tape collections will last much longer with these to help keep them dry.
- Litter is now made with silica. With its fantastic absorption qualities, this litter requires fewer changes and sends less mess to the landfill.
And my personal favorite:
- Squirrel some away in your car, especially on your dashboard. This will help maintain a clear windshield and leave it less foggy during times of high humidity.
While these packets are annoying and seem like a waste of resources, they can extend the life of many items. Another reason someone needs to be collecting them to recycle: they can be reactivated repeatedly. To recharge, you just need to bake the saturated beads on a cookie sheet, as detailed on ehow.com.
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I use the small round ones that come in the medicine bottles (tyenol, etc.) Those work better than the ones I've bought from the hearing-aid company. AND they're essentially free as you've already got them.
how could you risk the pack breaking and it getting into your pets food and poisoning them? what a horrible idea! keep far away from any food!
I had an old car that kept getting moisture inside the headlight housing. The solution was to open the housing, drop one of theses silica packets in the back and seal it back up. Never showed a single drop after that.
I have one headlight that mists up also. Now I know what to do with it! Thanks for the hint
Also for storage with sports equipment and the like. I'm practicing kendo in Japan and it's extremely damp most of the year and I purchased a small amount of this since it's actually not used often in packaging here.. but it keeps the smell down and helps discourage the growth of mildew which is a very large problem.
Or one can use these to expedite the drying process of fresh mushrooms
Silica gel absorbs water and loses effectiveness. You can regenerate the silica gel packets by heating them at around 220 - 250 degrees. Not sure how long.
I have thrown away countless numbers of these silica packets over the last few years. Thank you for the great recycling ideas for them, I allready have plans for the next packets I acquire thanks to your article. My husband also has ideas of his own, we may end up fighting over who gets to recycle them frst!
I read this article and my first thought was, those things are so dang small.... and then I realized, that shouldn't matter, when you can recycle, you should... I loved the list of ideas, many postings say recycle, but do not give specific ideas that can be used by any average homeowner... My toolbox will be getting some of these soon... Thanks!
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