AF Lab Mg Plus (2L)

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Aquaforest Mg Plus is a highly concentrated formula designed for raising magnesium levels in marine aquariums. Magnesium allows for better calcium absorption in corals for healthy and balanced growth.  A reduced level of magnesium may cause an inability to maintain proper calcium levels and a lowered pH. The recommended magnesium level in reef aquariums is 1180 – 1460 mg/l (ppm).

  • Concentrated magnesium supplement
  • Supports coral growth
  • Helps to maintain proper calcium and pH levels



  • 10 ml of Mg Plus raises magnesium level by 10 mg/l (ppm) in 100 l (27 US gal) of water. 
  • Recommended level: 1180 – 1460 mg/l (ppm).
  • The maximum safe daily dose is 100 ml per 100 litres of water. 
  • Do not recommend raise magnesium levels by more than 100 ppm a day.
  • Always test your water for Mg, Ca, and Alkalinity levels prior to dosing.
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UPC 5902026739092
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