Find the lowest price for:       All ProductsSand & Substrates     0.0 (0)   Add a review Brightwell Aquatics KoraLagoon Substrat Aragonite Refugium Substrate 1...   High-purity aragonite provides the base for a superior refugium substrate. Unique particle profile encourages biochemical reactions in refugia, sea grass and macroalgae systems and mangrove swamps. 39% calcium and 57... Have a question? Ask the Experts! Compare Prices Product Spec Member Reviews Recommend to Friends Category Brightwell Aquatics Brightwell AquaticsCaribSeaKent MarineMarc WeissMiracle MudRed SeaSeachemZooMed--------Suggest a new option Something wrong in this page? Let us know! Related products: More Brightwell Aquatics Sand & Substrates Other Sand & Substrates internal use: spec420