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Old 05-08-2014, 11:30 AM
Bobbyd Bobbyd is offline
Junior Member
Join Date: Apr 2011
Posts: 11
lava rock

I used to throw a bucket full of volcanic rocks in a cement mixer with some water and let it spin for about half an hour then tip the water in to a bucket to put on the garden and simply tip more water into the mixer for another batch of mineral rich water.
Now a friend makes and sells it commercially.
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