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Operate your aquariums lighting straight from your mobile phone
Facilitates seamless hose connectivity
helping to control nutrient build-up while promoting robust coral health
Unlike terrestrial species
Seachem Onyx Sand 7Kg Aquarium Substrate 60L Operate your aquariums lighting straightSeachem Onyx Sand is a naturally dark grey sand that perfectly complements and enhances the appearance of any aquarium. It provides not only iron and other minerals but supports optimal KH levels for freshwater planted aquariums. Being carbonate rich, Onyx Sand provides an advantage to any plants able to utilize bicarbonates. Although ideally suited to planted aquaria, it may be used in any aquarium environment. Seachem Onyx Sand is most effective
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