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SeaTech's maerl or calcified seaweed is derived from Lithothamnium calcareum. This red seaweed is harvested from the North Atlantic Ocean. It contains 95% minerals by weight as well as micronutrients.
Typical analysis
MESH |
Less than 200 mesh |
IRON |
0.25% |
MAGNESIUM |
1.7-3.3% |
CALCIUM |
25-33% |