Freebies REMIN Volcanic Rock Dust

Garden centre's, selling this Rock Dust, have been given sample packets to distribute.
One packet will do 10 two litre pots (two centre's here gave me a sample bag each though I see on the REMIN website they have to buy them in at 80p each ?, so all may
not be offering it !

For info on the product, you can doogle doogle do the title of this thread
Shades of Dim here, where I laughed at him, but I have seen the results of using it,
(I was reluctant to pay someone for a bag of quarry sweepings :-) but it is more than
that, it is the type of rock making the difference