[AZ-Observing] Re: astro bag

They have an expiration date on them. Old ones will still work at diminished 
capacity so get some fresh ones and use the old ones for dew heaters.

Jack

----- Original Message ----- 
From: "Thom/TFW" <mthomj@xxxxxxxxx>
To: <az-observing@xxxxxxxxxxxxx>
Sent: Thursday, September 07, 2006 10:13 PM
Subject: [AZ-Observing] Re: astro bag


Not in Arizona, heat must break them down, (they kept forever in Indiana),
if you keep them in the truck box like I do, they will not work after a
year. I buy a couple new ones every year out here and throw out the old
ones.
----- Original Message ----- 
From: "Tony Muller" <acmuller1@xxxxxxx>
To: <az-observing@xxxxxxxxxxxxx>
Sent: Thursday, September 07, 2006 9:46 PM
Subject: [AZ-Observing] Re: astro bag


> They'll last for years if not exposed to air.
>
> -----Original Message-----
> From: az-observing-bounce@xxxxxxxxxxxxx
> [mailto:az-observing-bounce@xxxxxxxxxxxxx] On Behalf Of Andrew Goodwin
> Sent: Thursday, September 07, 2006 8:52 PM
> To: az-observing@xxxxxxxxxxxxx
> Subject: [AZ-Observing] astro bag
>
>    After reading the last two articles on cleaning out astro-bags I
decided
> to look at mine. I found some of those self heating pads in a zip lock
bag.
> Does anyone know how long you can store these? I bought them last year for
> the 5MM event. Do I need to replace them?
>
> Clear Skies
>
> Andrew Goodwin
>
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>

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