What size silica gel?

[pengyou]

I am packing a few guns - will seal each one in a plastic bag. When shopping online for the packets, I noticed that there are various sizes of them, measured in grams. How do I know which one to use?

 

[WGregMiller]

I am packing a few guns - will seal each one in a plastic bag. When shopping online for the packets, I noticed that there are various sizes of them, measured in grams. How do I know which one to use?

I've read that 1 gram is good for a gallon bag.

Ah. Here you are: http://www.silicagel.com.au/pages/Silica-Gel-Requirement-Guide.html

 

[pengyou]

Thanks!