Aragonite Premium  1 - 2mm 10 kgs Natural aragonite sand for use in saltwater aquariums. Ready to use, a quick rinse is sufficient. Excellent bacterial support Reduction of the nitrogen cycle set-up time Stabilizes the pH (8.0). The BacterKit (not included) guarantees you rapid and efficient colonization of your substrate...

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...

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...