FreeLists / az-observing / [AZ-Observing] Re: astro bag

["Jack Jones" <Telescoper@xxxxxxx>]

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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