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Magnesium 2
Ideal for point source applications that introduce organic and synthetic fertilizers
Supports seed contact
our sterilized rye grain bags are made with 100% organic
granular gypsum that doesn't mix well with your bulk substrate material or grains
Earth Science Earthworm Castings 0.5-0-0 - 4lb no-shipping Magnesium 2100% Pure organic earthworm castings no peat or other fillers. Packed with minerals that are essential for plant growth.
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