Caribsea Special Grade Reef Sand 40lb coral 5" empty refillable cartridge for

5" empty refillable cartridge for granulated carbon and deionization resin

Get all the benefits of Chemi-pure now with the added benefit of being able to remove all your phosphate and silicates

Headache free interface - Programmability using Apex Fusion makes dosing a breeze

Storage: Store in a cool

the reef aquarium has limited resources that are quickly depleted by the aquarium inhabitants

Caribsea Special Grade Reef Sand 40lb coral 5" empty refillable cartridge forAragonite Substrates Recognized globally for their purity and precision. Our substrates are purposely engineered and free of impurities such as ash, metals, pesticides, and silica; which allows you to create a safe and beautiful environment for your fish and invertebrates.