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Drying Silica Gel and other desiccants in the oven

Here is a small tek on how to re-use Silica Gel and other desiccants.



Here is a small tek on how to re-use Silica Gel and other desiccants.

Most Silica Gels come with indicators that go pink when moist and blue when dry.
Spread the spent desiccant on a baking plate and bake it at 130°C/265°F for about 120 minutes.
After that, let cool down a bit, and then, while still hot, fill into an airtight container.


In this picture they indicate pink so they need to be dried!


About 120 minutes later they turn very blue.

by Arp
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