Rock Dust | The Autoflower Network
Points. 200. Nov 18, 2021. #1. I feel like I'm always the last to know after purchasing some giagreen rockdust. I thought it might be a good idea to try amending coco coir with basalt rock dust for it's calcium and magnesium. I found this video series on youtube from Alberta urban s and pastures. These include Sulphur, Potassium, Sodium, Chloride, Magnesium, Calcium, Phosphorous, [.]