Underworld Reef Crystals is an enriched sea water formula for the production of salt water for your marine aquarium. Underworld Reef Crystals is unique in that it contains an extra measure of the compounds that are important to your reef aquaria ecosystem: calcium, vitamins and trace elements. Underworld Reef Crystals have a special crystal structure that makes them the fastest dissolving salt available. This product is also the only salt containing a metal detoxifier. Please refer to the product guidelines for the amounts to use.
Underworld Reef Crystals 240l (8kg) Reviews 
