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50ml per 100L (26 US gal) will increase magnesium content by approx
You can consult our guide where we have several examples
Synthetic ferric oxide hydroxide granules with an extremely high capacity for adsorbing phosphate from saltwater and freshwater
High-purity powdered calcium
Repeat this dose every 7 days to a maximum of 3 weeks
Aquavitro Calcification 350mL biopellet reactor 50ml per 100L (26 USA concentrated (140,000 mg L) optimized blend of ionic and bioavailable gluconate complexed calcium Prevents calcium precipitation alkalinity depletion Maintains peak coral growth Calcification is a concentrated (140,000 mg L) optimized blend of ionic and bioavailable gluconate complexed calcium designed to restore and maintain calcium to levels found in natural seawater, without affecting pH. These two forms of calcium are combined in calcification