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100% all-natural water conditioner
This natural pest control method boosts your reef’s immune system
sustainable rock ideal for aquascaping reef and marine aquariums
and overall reef health
Removes phosphate instantly
Seachem Reef Advantage Magnesium 1.2kg – Concentrated Reef Supplement and Thermometers 100% all-natural water conditionerSeachem Reef Advantage Magnesium 1. 2kg is a highly concentrated dry magnesium supplement (80,000 ppm) designed to restore and maintain correct magnesium levels in reef aquariums while preserving natural seawater ionic balance. Its optimised blend of magnesium, chloride, and sulfate salts corrects magnesium depletion without introducing unwanted contaminants. Unlike liquid magnesium products, Reef Advantage Magnesium contains no ammonia, ensuring
