On Wednesday, October 26, 2016 at 2:22:45 AM UTC-4, wrote:
> Yesm there are a million websites that say to use rice in a salt shaker.
> But I'm not dealing with a shaker. I buy those 1lb 10oz containers of
> salt in the store, fill a shaker and put the large container on the
> shelf (with spout closed). The next time I want to fill the shaker, that
> big container is hard. Putting rice in there will make a mess when I use
> that salt for other needs.
>
> Is there a way to keep those big containers for hardening?
>
> I was wondering about putting tape over the spout ????

You can add a muslin bag filled with rice to the salt. Not easy to get in but should be possible.

http://www.richardfisher.com