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Repurposing Silica Packs Used In Commercial Packaging

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mike31093's Avatar
United States
354 Posts
 Posted 09/21/2023  9:35 pm Show Profile   Bookmark this topic Add mike31093 to your friends list Get a Link to this Message Number of Subscribers
This is gonna sound dumb but I hate waste. Soooooo, what's your opinion for repurposing the silica packs that come with some products to help protect coins? For example, some dog treats include such packets. (Can;t wait to read responses on that point!)
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Canada
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 Posted 09/21/2023  9:46 pm  Show Profile   Bookmark this reply Add john100 to your friends list Get a Link to this Reply
The best stuff is from the original large drug containers, the pharmaist usually just throw them out because they have so many, obviously they are food grade
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John1's Avatar
United States
56855 Posts
 Posted 09/22/2023  7:07 pm  Show Profile   Bookmark this reply Add John1 to your friends list Get a Link to this Reply
I have done that in the past.
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Spence's Avatar
United States
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 Posted 09/22/2023  7:12 pm  Show Profile   Bookmark this reply Add Spence to your friends list Get a Link to this Reply
I have repurposed small desiccant pouches for my coin containers for years. Recommend 100%.
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hfjacinto's Avatar
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 Posted 09/22/2023  8:36 pm  Show Profile   Bookmark this reply Add hfjacinto to your friends list Get a Link to this Reply
You need to be careful with the silica packs. They can only store a limited amount of water before they evaporate it back into the closed environment. Most silica packs are designed to remove humidity from a closed environment by the time they are taken out they have most likely been used up.

Amazon sells rechargeable dehumidifiers (tried to post the link but was blocked). They last about 60 days before needing to be recharged. The silica packs that come in packages have the same shelf life, so if not replacing them every 60 days they are adding humidity or whatever chemicals they absorbed back into the closed package with your coins.
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Sap's Avatar
Australia
16816 Posts
 Posted 09/23/2023  03:11 am  Show Profile   Bookmark this reply Add Sap to your friends list Get a Link to this Reply
Silica gel is rechargeable; just put it in an oven at 100 deg C for 30 minutes, and it's good to go again.

The main drawback with reusing using those little silica gel sachets is that there's no visual indicator on the gel packet when the gel is exhausted and needs recharging. This is why that self-indicating silica gel is good - the stuff that's blue when dry, and turns pink when damp. It turns blue again after the oven treatment.
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bobby131313's Avatar
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 Posted 09/23/2023  08:55 am  Show Profile   Bookmark this reply Add bobby131313 to your friends list Get a Link to this Reply

Quote:
tried to post the link but was blocked


It was only blocked because it was using a link shortener, which is dangerous. Links to Amazon are never blocked.
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BStrauss3's Avatar
United States
4589 Posts
 Posted 09/23/2023  09:01 am  Show Profile   Bookmark this reply Add BStrauss3 to your friends list Get a Link to this Reply
I'd recommend NOT using packs from greasy materials like treats. There will be transfer to the pack during it's first life and you probably don't want that.

If you have a collection with any real value and are in the type of environment where you have enough humidity to be concerned, this isn't a place to cheap out. You can buy 60# of the rechargeable beads for $250... what's the value of one coin?
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hfjacinto's Avatar
United States
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 Posted 09/23/2023  09:57 am  Show Profile   Bookmark this reply Add hfjacinto to your friends list Get a Link to this Reply

Quote:
It was only blocked because it was using a link shortener, which is dangerous. Links to Amazon are never blocked.


Trying to post again.

I have 4 of these and they last. My oldest is 8 years old and it still is removing the humidity. They are supposed to last 10 years.

https://www.amazon.com/Improved-Eva..._=ast_sto_dp

Best part is that you don't need to put in the oven, just plug it in for about 6-8 hours and its all dry.

I recommend these compared to the silica packs.

Please note that there are no name brands also, I do not recommend those as 1 they cost more than eva dry and when cheaper the one I did purchase (thinking it was an eva dry) came loose with silica pebbles all inside the package. So buy Eva Dry only.

Note to Bobby, it seems to be the Amazon link from my iPhone, works fine on a laptop but Amazon shortens the link when using the Amazon ap
Edited by hfjacinto
09/23/2023 10:11 am
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commems's Avatar
United States
12264 Posts
 Posted 09/23/2023  7:29 pm  Show Profile   Bookmark this reply Add commems to your friends list Get a Link to this Reply
My advice: purchase a rechargeable silica pack/canister (multiple if needed) and protect your coins properly vs. wasting time trying to re-purpose used packets from other products.



Collecting history one coin or medal at a time! (c) commems. All rights reserved.
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Dearborn's Avatar
United States
95456 Posts
 Posted 09/25/2023  7:11 pm  Show Profile   Bookmark this reply Add Dearborn to your friends list Get a Link to this Reply
Well here in Phoenix AZ we don't need them (at least in the summer) we only got .01 inches of rain this 'monsoon season' (or was it .1 inches? either way it sure is dry here.
Edited by Dearborn
09/25/2023 7:12 pm
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