Seachem Reef Advantage Magnesium - 1.2kg - Raises Magnesium Bird Cages 0 is fully submersible and

0 is fully submersible and designed for use in freshwater and saltwater aquariums

The overall amount or dose frequency can be easily adjusted to suit individual needs

Contains 25 lb of Shallow Creek colored pebbles

Fluval 404 External Power Filter (A215)

Seachem Reef Advantage Magnesium - 1.2kg - Raises Magnesium Bird Cages 0 is fully submersible andDesigned specifically for saltwater aquariums, Seachem Reef Advantage Magnesium is a powerful, concentrated (80,000 ppm) blend of magnesium, chloride, and sulfate salts helping to increase any depleted levels of magnesium without contributing to any drastic impact on the ionic ratios that are found in natural seawater. This solution is safe for delicate sea creatures and unlike other products on the market, does not contain harmful ammonia. Generally,