Brightwell Magnesion

Size: 250ml
Sale price$10.99



Concentrated Magnesium Supplement for All Marine Fish & Reef Aquaria


  • Highly-concentrated ionic magnesium solution.
  • Provides magnesium, which helps regulate the balance between calcium and
  • carbonates in aquarium water, and is a component of aragonite, the mineral
  • secreted by reef-building organisms such as corals, clams, and their allies to
  • form skeletal material.
  • Stronger than most competing products.
  • Contains no unwanted organic material such as EDTA, gluconate, or polygluconate.
  • Formulated by a marine scientist.
  • For complete information, click the 'Technical' button at the top right.

250ml | 500ml 

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