Red Sea Coral Pro Salt Sack – 55 lbs Makes 200 GallonsMarine Salt Coral pro salt is designed to provide biologically balanced elevated levels of foundation elements necessary for substainable accelerated growth and enhanced vitality of all corals. Coral pro salt is ideal for reef aquariums in particular. For lps and sps corals and growing out coral frags. Main paramaters at a salinity of 33. 0 pptRed Sea Coral Pro Salt Sack – 55 lbs Makes 200 GallonsMarine Salt Coral pro salt is designed to provide biologically balanced elevated levels of foundation elements necessary for substainable accelerated growth and enhanced vitality of all corals. Coral pro salt is ideal for reef aquariums in particular. For lps and sps corals and growing out coral frags. Main paramaters at a salinity of 33. 0 pptProduct code: 6909Item No. SA-RS-PRO200