Why can't we have grit that doesn't need 'activating' 
I dumped 1.5kg of table salt on my drive yesterday morning, 10 mins later it was the clearest bit of tarmac for miles.
No activation necessary.

I dumped 1.5kg of table salt on my drive yesterday morning, 10 mins later it was the clearest bit of tarmac for miles.
No activation necessary.

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