Quote:
Originally Posted by MargaretR
Natural rock salt emits negative ions into the air.
That is the principle behind himalayan rock salt lamps - air cleaning.
How it affects 'sprits'? - I don't know - I presume they don't like clean air 
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Mmmm they might not?!
May give it a go if this keeps happening, it has only happened the once so will keep it in mind thanks.