Forgot Password
Pentax Camera Forums Home
 

Reply
Show Printable Version Search this Thread
08-02-2009, 05:43 PM   #1
Pentaxian
LeDave's Avatar

Join Date: Jun 2009
Location: Minneapolis - St. Paul
Photos: Gallery
Posts: 2,904
What kind of Silica Gel do you use?

I was looking at some silica gels to place in my bag to prevent fungus from growing on my gear and my upcoming lenses. I saw some Pelican re-usable silica gel that I looks handy since it's re-usable. I might get these. Pelican Silica Gel at REI.com

Does anybody have these Pelican Silica Gels? How many is enough, 1 or 2 or 3?

Also how do you cure for re-usable selica gels properly? I heard you put it in the oven, how many degrees Fahrenheit in the oven?

What silica packets do you guys use?

08-02-2009, 05:47 PM   #2
Veteran Member
Duck Dodgers's Avatar

Join Date: Dec 2007
Location: in the 24½th Century!
Photos: Gallery
Posts: 439
I use a couple of these:

Pelican | Silica Gel | PC1500D | B&H Photo Video
08-02-2009, 07:48 PM   #3
Pentaxian
jimH's Avatar

Join Date: Apr 2009
Location: South Central Nebraska - USA
Photos: Gallery | Albums
Posts: 1,422
I think that silica gel has to be decicated to be reused. In other words you have to bake out the absorbed moisture to be any good. So don't think you can just stick it back into you bag and expect it to continue to absorb moisture. Make sure you know how to descicate it again.
08-02-2009, 07:57 PM   #4
Veteran Member




Join Date: Sep 2006
Location: Mississippi, USA
Photos: Gallery
Posts: 572
Check Ebay you can pick up the same size and type for 5 usd.
Has instructions on how to dry the unit out.

08-03-2009, 06:08 AM   #5
Senior Member




Join Date: Dec 2008
Location: Dawesville,Western Australia.
Photos: Gallery
Posts: 129
I read somewhere you just microwave them......
08-03-2009, 07:07 AM   #6
Forum Member




Join Date: Jun 2009
Location: Gator Country
Photos: Gallery
Posts: 51
QuoteOriginally posted by Daveinozbikes Quote
I read somewhere you just microwave them......
Yep microwaving works. Put on a ceramic plate and zap. Caution, its very very hot.
08-03-2009, 05:09 PM   #7
Pentaxian




Join Date: Feb 2009
Location: Alameda, CA
Posts: 3,198
Go here and click on the blue "Instr" under "A. 40g Silica Gel Dehumidifier" for reactivation instructions.
08-03-2009, 08:46 PM   #8
Veteran Member
inferno10's Avatar

Join Date: Feb 2007
Location: San Francisco, California
Posts: 342
To be honest, I use whatever silica gel I can find, be it from a lens box, shipping container, etc. I can almost guarantee that each pocket of my camera backpack has at least one silica packet taken from a bag of beef jerky.

- Jason

08-04-2009, 08:47 AM   #9
Veteran Member
GerryL's Avatar

Join Date: Jan 2009
Location: CA
Posts: 2,731
QuoteOriginally posted by inferno10 Quote
To be honest, I use whatever silica gel I can find, be it from a lens box, shipping container, etc. I can almost guarantee that each pocket of my camera backpack has at least one silica packet taken from a bag of beef jerky.

- Jason
This works as any silica gel absorbs moisture.
Your generic silica gel that you find in packages are the same everywhere.
Some are colored to detect the moisture content absorbed same as with wet diapers but it only had an additional color indicator.
I use these ones that I find in packages and just re-activate them or just squeeze out the moisture from them to work again.
Regular sun baking works.
Just see how much clothes dry out in the sun and with the dry wind.
Works the same way as a microwave oven or regular oven but without the worry of burning them or wasting energy.
The sun is free so use it!
08-06-2009, 08:16 PM   #10
Pentaxian
LeDave's Avatar

Join Date: Jun 2009
Location: Minneapolis - St. Paul
Photos: Gallery
Posts: 2,904
Original Poster
Does it have to be white for it to work? I had 3 of them came in today and they are all purple or darkish color I can't quite see.
08-06-2009, 11:18 PM   #11
Pentaxian




Join Date: Feb 2009
Location: Alameda, CA
Posts: 3,198
QuoteOriginally posted by LeDave Quote
Does it have to be white for it to work? I had 3 of them came in today and they are all purple or darkish color I can't quite see.
I've seen it either white or light purple/pink. It turns blue after absorbing enough moisture.

To make sure, put a little of it in an oven at 250 degrees for about 1 hr and see if it changes color. If not, it's already dry.
08-07-2009, 02:54 PM   #12
Veteran Member
GerryL's Avatar

Join Date: Jan 2009
Location: CA
Posts: 2,731
QuoteOriginally posted by SOldBear Quote
I've seen it either white or light purple/pink. It turns blue after absorbing enough moisture.

To make sure, put a little of it in an oven at 250 degrees for about 1 hr and see if it changes color. If not, it's already dry.
..or put a drop of water on it and see if it changes color.
I think this would be more energy efficient..but you have to dry it again.
Reply

Bookmarks
  • Submit Thread to Facebook Facebook
  • Submit Thread to Twitter Twitter
  • Submit Thread to Digg Digg
Tags - Make this thread easier to find by adding keywords to it!
camera, gel, pelican, pentax help, photography, silica, silica gel
Thread Tools Search this Thread
Search this Thread:

Advanced Search


Similar Threads
Thread Thread Starter Forum Replies Last Post
Macro Hey that Hair Gel......... eaglem Post Your Photos! 2 08-10-2010 03:29 AM
How do you gel/mod your flash? jms698 Photographic Technique 9 12-17-2008 05:26 AM
Silica gel OrenMc Photographic Technique 13 11-19-2008 12:27 PM
DIY: Vivitar Gel Holder c.r.brown Pentax Camera and Field Accessories 2 06-11-2008 11:06 AM
Silica gel JCSullivan General Talk 23 03-08-2008 07:27 PM



All times are GMT -7. The time now is 03:56 AM. | See also: NikonForums.com, CanonForums.com part of our network of photo forums!
  • Red (Default)
  • Green
  • Gray
  • Dark
  • Dark Yellow
  • Dark Blue
  • Old Red
  • Old Green
  • Old Gray
  • Dial-Up Style
Hello! It's great to see you back on the forum! Have you considered joining the community?
register
Creating a FREE ACCOUNT takes under a minute, removes ads, and lets you post! [Dismiss]
Top