Seachem Reef Advantage Magnesium 1.2kg – Concentrated Reef Supplement and Thermometers and overall reef health

and overall reef health

making it especially cost-effective for large aquariums

This natural pest control method boosts your reef’s immune system

sustainable rock ideal for aquascaping reef and marine aquariums

100% all-natural water conditioner

Seachem Reef Advantage Magnesium 1.2kg – Concentrated Reef Supplement and Thermometers and overall reef healthSeachem 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