Keeping a cache dry

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I just got reports that one of my caches has a wet log. While that is no problem to replace, what is the best thing I can do to make sure that water does not get inside of it in the first place? Its very water tight, or so it seemed. A good rubber gasket around the entire opening with a good tight clamp mechinism. Perhaps some clear silicone around the edge to make it a little tighter and to keep water out better. I used a ziplock inisde of it too, still didnt work for whatever reason though.

-Cameron

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Posted · Report post

What kind of container was it?  From your description, it sounds like a lock-n-lock.  Whatever the container, if it has an O-ring type seal that's in good condition, silicone or any other substance applied to the seal will probably make it worse.  My guess is someone who found the cache didn't refasten the lid properly.

When it comes to ziploc baggies, I try to always use the heavier-duty freezer-type bags with the Easy Zipper slide doohickey. That kind of makes it idiot-proof as far as getting it sealed back properly.  And make sure the cache container opening is big enough to easily get the log book (and baggie) in and out of without binding or tearing.  I found a new cache a couple of days ago that was in a large plastic pickle jar with a somewhat sharp edge around the rim.  The log book was in a typical sandwich ziploc and would barely fit through the opening of the pickle jar.  As I wedged it out of the jar, the baggie tore along the edges against the sharp rim.  I'm not really sure how well their pickle jar will keep out the moisture, but after one finder the logbook is no longer protected should water get in the cache.

Just my .02 O0

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Posted · Report post

I've also seen a lot of baggies that get ripped and torn from people trying to get the logs out.    :'(    This is especially true of the really tiny ones. 

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Posted · Report post

Haven't been caching that long, but I am firmly convinced in that short time that water always has the upper hand.  Have seem some great designs just soaked, some poor designs just lucky.   Mother nature seems to  just abhor  >:( dry paper in the wild....Maybe it is supposed to be tame and kept only at the office, not at a cache.

Seems that a great resealable baggie that is tough enough to drag over sharp edges and still fold up and seal/unseal, fits into small places, and can be carried by the dozen is a business opportunity waiting for both geocachers and the rest of the world.

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Posted · Report post

I can honestly say I've never found water in an ammo can.  Talk about idiot proof!

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Posted · Report post

The Muddy Buddies' Scout Fair 2003 was a good testiment to ammocans. That area was constantly under water.

Unfortunately I have seen water in an ammocan.

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Posted · Report post

Agree that Ammo Cans are pretty great in keeping mostly dry.  Biggest problem with them seems to be condensation  :'(  here around Houston where it is always so humid.  The paper when unprotected by sealed baggies tends to absorb it right out of the air. 

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Posted · Report post

I have found many an ammo can completely submerged, and after freeing it and bringing it up, discovered the contents completely dry....not to say there aren't some who fail.  I think overall though, an ammo can is your best shot at a low maintenance cache. O0

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Posted · Report post

Like any other container, the key is the seal.  I won;t buy a container that does not have a seal.  Seal do dry out.  For the money you can't beat an ammo can.

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The only problem I see with the ammo cans is the fact that people seem to equate them with weaponry (go figure) and so there is a bit of paranoia depending on who sees them and where they are.

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Posted · Report post

In addition to a good seal, placing a cache so it won't ever be submerged nor be directly rained upon seems to go a long ways toward keeping it dry on the inside.  :P

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GrangerFam had a wonderful container inside the archived "Falling for You" cache that I know would keep a small to medium size logbook dry.  Size was about 6"x2"x4" and made of clear plastic.  If he sees this post, maybe he will share  :angel: where he obtained it.

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Posted · Report post

Hey there.

I got it from Academy (off 59 in First Colony).  I've placed the log in a baggie, which is inside the clear plastic thingy, which is inside of an ammo can.  And if you've found "cypress island" (formerly "falling for you"), then you'll know why I went "3 deep" on moisture protection. 

Slightly off topic...

Over the short time I've been caching, I've found that I look at stores in a whole new way.  I say...hey, that would be a cool container.

Same thing when driving around...Hey, that would be a cool spot for a cache.

I think it's all part of the sickness.... :-\

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Posted · Report post

The Muddy Buddies' Scout Fair 2003 was a good testiment to ammocans. That area was constantly under water.

Unfortunately I have seen water in an ammocan.

The ammo can may have stayed dry on the inside, but it definitely floated away in one of the floods. 

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Posted · Report post

I agree that those are symptoms of the Geocaching sickness that we all have. I look through stores in the same way.  O0

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Over the short time I've been caching, I've found that I look at stores in a whole new way.  I say...hey, that would be a cool container.

Same thing when driving around...Hey, that would be a cool spot for a cache.

I think it's all part of the sickness.... :-\

From your first find, you get infected with the cache-a-cocci virus.  They continue multiplying and becomea unified voice inside your head.  In addition to those parasites, the ftf-enza bug gets just under the skin.  Combine those two with the hide-a-cache syndrome and you're a goner.  There is no known cure!

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Posted · Report post

What's worse is when I'm getting ready to take out the garbage and I tell the wife, "Hey, don't throw that away, it'll make a good cache container". :D

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Speaking of not throwing something away as "Hey, that'd make a good cache container!" You will have to see what I am putting together right now. Plus their are a few more peices where this particular container came from(all being very similiar items), so I may make a series out of it in due time. No hints though :D You will just have to go find it.

-Cameron

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Posted · Report post

I can honestly say I've never found water in an ammo can.  Talk about idiot proof!

That's because they're designed to be used out in the rain! There is probably no worse condition in the world than those faced by infantrymen in the field. Military containers are probably the most water-proof, them and containers designed for outdoor use (which can be pretty pricey.)

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Posted · Report post

The only problem I see with the ammo cans is the fact that people seem to equate them with weaponry (go figure) and so there is a bit of paranoia depending on who sees them and where they are.

Get some water-proof paint and paint them a color other than olive drab. I saw a gold one in Chicago that blended in so well with the foliage that I stumbled around it for half an hour before I looked down and saw it.

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One thing you gotta remember about moisture is that it will form on the INSIDE of a container, especially in the heat and humidity of the Gulf Coast. That's why it's important to have a good seal. When I first placed SISSY, people reported the inside was wet. It probably was because I had washed the container out but didn't dry it properly and there was moisture inside that mutliplied. But, something happened to the cache and now there's a new container that's more waterproof.

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I recently seen folks putting small disiccant pouches in their caches.  When I saw this the first time, I wondered why I hadn't thought of if before... 

The wierd thing was that it was in San Diego, not really known for their high humity...

Now, I'm on the look out for desiccant pouches for my next caches...

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Posted · Report post

I think you might do better with making sure the container has a rubber seal and then to put so light grease on it to make sure it remains flexible.

No amount of desiccant will keep one of your caches dry. :D

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I would worry about the dissicant getting into the wrong hands....perhaps a childs.  Some parents aren't as watchful as others when kids are trading from a cache, I don't know what I'd do if something happened to one of them for ingesting a poison I put in the cache.  I think the good ole natural way of double bagging and greasing the rubber seal works.  And it's safer..... O0

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