Brightwell NeoMarine Bucket 150gPrecision Salt Blend for Reef Aquaria Overview Extensively researched and tested over a multi year period, with a formulation based on current understanding of Marine Chemistry and Marine Biology as they pertain to thehusbandry of all marine aquaria. Precision formulated to replicate the natural seawater ratios of every major element, as well as all non conservative minor and trace elements. 134 g per 1 US gallon (3. 785 L) of purified water yields a