Maxspect Nano Tech Bio-Sand 5 kg Maxspect Nano Tech Bio-Sand is specially designed for marine, reef and African cichlid aquariums. Maxspect Nano Tech Bio-Sand consists of 1 kg of ceramic-based Nano-Tech Bio-Media and 4 kg of high-quality aragonite sand. The Nano-Tech Bio-Media particles retain bacteria...

Live aragonite reef sand (CaribSea) - Special Grade Reef When setting up an aquarium with CaribSea's live products please do not rinse the substrate! The susbtrate should be carefully placed on the bottom of the aquarium, and your preconditioned water should be added carefully. Cloudiness will be greatly reduced if a plate or empty bag is used to stop the water being...

Gray Coast sand 10kg Gray Coast™ Calcite is an all natural calcite substrate for all types of marine, reef and tropical aquaria. Its chemical composition will assist in stabilizing calcium and alkalinity while preventing large pH declines. Unlike competing “wet” gravels, Gray Coast™ is sold dry: this bag contains 35% more gravel than a bag of wet gravel of equal...

Aragonite sand Pearl Beach 3.5kg Pearl Beach™ is an all natural aragonite substrate for all types of marine, reef and tropical aquaria. Its chemical composition will assist in stabilizing calcium and alkalinity while preventing large pH declines. Similar in appearance to Meridian™, it's grain size is considerably more varied. 

Aragonite sand Pearl Beach 10kg Pearl Beach™ is an all natural aragonite substrate for all types of marine, reef and tropical aquaria. Its chemical composition will assist in stabilizing calcium and alkalinity while preventing large pH declines. Similar in appearance to Meridian™, it's grain size is considerably more varied. 

Live reef sand Hawaï black (0.25mm to 3.5mm) When setting up an aquarium with CaribSea's live products please do not rinse the substrate! The susbtrate should be carefully placed on the bottom of the aquarium, and your preconditioned water should be added carefully. Cloudiness will be greatly reduced if a plate or empty bag is used to stop the water being added from disturbing...

Aragonite sand Meridian 9kg Meridian is a natural oolitic (spherical or egg shaped) aragonite substrate for all reef and marine aquaria. Meridian is the premium aragonite substrate for the reef aquaria. It's grain size (fairly uniform .25 - .50mm) is ideally suited to reef inhabitants. It's chemical composition will assist in stabilizing calcium and alkalinity...