Salifert Magnesium Test Kit (25–50 Tests) for Marine & Reef Aquariums fauna marin phosphate remover Ideal for deep aquariums or

Ideal for deep aquariums or installations where the Radion is mounted higher above the water

and polyp extension

The treatment is reef-safe and will not harm other aquarium inhabitants

Quick and easy installation with a magnetically attached lens

With built-in dry-run protection

Salifert Magnesium Test Kit (25–50 Tests) for Marine & Reef Aquariums fauna marin phosphate remover Ideal for deep aquariums orMaintaining correct magnesium levels is critical for a healthy and stable reef aquarium. The Salifert Magnesium Test Kit (2550T) is designed for accurate measurement of magnesium in marine and reef waters, helping reef keepers maintain optimal calcium and alkalinity balance. Magnesium occurs naturally in seawater at concentrations of around 13001400 mg L and plays a vital role in coral growth, calcareous algae development, and photosynthesis. It also