OK, all you chemists! ...

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2busy

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It's basically salt. Salt is hydroscopic. No voodoo involved. Just look up the ingredients, you don't need to be a chemist.
 

rickm

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You can stop it to a point by placing the bags on a wooden pallet of some sort to get it off the concrete and have so the air can circulate around the bags. Thats way most stores will run out towards the end of the season and wont order more cause by the time winter comes around again alot of it has melted and harden up.
 

jmike314

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As folks have already stated…..it’s pulling moisture from the air.

With the high humidity we’ve been having, it getting all it wants…..especially if it’s not in a sealed container. It’s absorbing moisture to the point that the moisture absorbed is enough to dissolve the substance.

No chemical reaction but it is definitely a physical change.

It is possible to dehumidify it but that me more work than desired.


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CHenry

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As folks have already stated…..it’s pulling moisture from the air.

With the high humidity we’ve been having, it getting all it wants…..especially if it’s not in a sealed container. It’s absorbing moisture to the point that the moisture absorbed is enough to dissolve the substance.

No chemical reaction but it is definitely a physical change.

It is possible to dehumidify it but that me more work than desired.


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just add a pound or rice to the salt. Suck the water right out of it.
 

CHenry

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I personally have never used that crap. Very bad for the water supply in the volumes we all use. The State doesnt even use it as much on the roads, they use a spay on something that is supposed to be safer for water supply sheds.
Rots your concrete in short order to.
I wait for the sun to go out as its melting.
 

swampratt

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I had some small amount salt fall off a dried hide onto the concrete in the garage.
Peeled up the smooth layer of concrete.
Yea I did not sweep it up it was in the corner out of the way.. thought nothing of it.
 

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