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Features: Water pump and filtering media, all built-in structure. Adjustable water flow rate, easy for assembly and operation. Internal mechanical chemical and bio-chemical filtering function, with 3 layer filter to ensure clean water and reduce the w…
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Suggested value in saltwater aquariums: Ca: 400-440 milligrams/litre, Mg: 1200-1400 milligrams/litre Features: First the magnesium level is determined, including calcium, then the calcium is measured and subtracted from the total value. The set includ…
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Calcium is one of the most important elements in a reef aquarium. Reef invertebrates such as corals, crustaceans, molluscs and even some types of encrusting algae need calcium to grow and remain healthy. Over time, calcium levels drop as invertebrate…
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SubstrateSource Natural Lava Gravel is a highly porous substrate for use in freshwater aquariums. The lava has been screened to remove large granules and can be used as a complete aquarium substrate system. Nutrients: The lava has not been treated w…