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the Tempest is designed to trap ultra-fine particles and provide both mechanical and biological filtration—making it the perfect final stage for crystal clear water
For even greater nutritional value
1 litre treats ponds up to 20
All-in-one internal filter: mechanical
low-nutrient marine salt specifically designed for professional use in research
ASF Magnesium Reef Shots - 24 x 20ml Vials the Tempest is designed toAquarium Systems Reef Shot Magnesium Magnesium is the third most important element in the composition of seawater. It is essential to numerous biological processes such as photosynthesis and cell division. It is also used in the formation of the skeletons of reef organisms. Levels of 1,200 1,380 ppm are desirable to maintain a healthy environment for your corals. Instructions : Shake well before using. Standard dose: 1 vial per 200 litres (50 gallons)