Reef Secrets

RSA Magnesium Supplement Part B 1kg

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  • Regular price $9.90
  • Will be in stock after

Use Reef Secrets dry supplement range to make your own macro element supplements (Calcium, Magnesium and Alk). A lot cheaper than buying traditional type liquid supplements. Great for large tanks with heavy uptake of elements.


Mix 1.25kg into RO with 750g of Part A to make a solution containing 47,000ppm Magnesium