No-Till and Build a Soil question - Page 4 - Organic Soil - International Cannagraphic Magazine Forums

P-NUT · 12-11-2017, 04:29 PM

Quote:

Originally Posted by KIS

Keep in mind rock dust is a source of heavy metals. You may want to get a test done on the levels in your soil. Cannabis appears to be a heavy metal accumulator. Brookside labs has a test for this.

Any recommendations of a rock dust with lower heavy metals or any to stay away from because theyre too high?

Limeygreen · 12-11-2017, 05:55 PM

Spanish river carbonatite, basalt, azolite, zeolite.

KIS · 12-11-2017, 08:39 PM

Here's a comparison on a few rock dusts:
https://logicalgardener.org/viewtopi...t=basalt#p2716

12-11-2017, 05:55 PM	#32
Limeygreen Senior Member Join Date: Mar 2006 Posts: 1,750	Spanish river carbonatite, basalt, azolite, zeolite. __________________ Your best you try, to harm I and I, Aiming to kill. But I love you still Cause you are here to make prophecy fulfill.
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12-11-2017, 08:39 PM	#33
KIS Member Join Date: Feb 2016 Posts: 121	Here's a comparison on a few rock dusts: https://logicalgardener.org/viewtopi...t=basalt#p2716
	Quote