Reef Advantage Magnesium, 4 kg / 8.8 lbs

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🌟 Dive into a healthier reef!

Reef Advantage Magnesium is a premium 4 kg (8.8 lbs) supplement that effectively raises magnesium levels in your aquarium while ensuring minimal disruption to the ionic balance of natural seawater. With no ammonia and a concentrated formula, it treats up to 1200 gallons with just 300 grams, making it the ideal choice for responsible aquarists.