Live Mineral-Rich Sand for refugiums and seagrass displays, for mangroves, and for LPS corals such as Goniopora, Trachyphyllia, and Acanthophyllia. Refugite promotes natural denitrification, adsorbs phosphate, and can be regenerated. It’s packed live with BioPronto too. Packaged in 6.8 kg (15 lb) bags.