CaribSea Coraline Caribbean Crushed Coral - 40 lb Heating Interior A chemical-free and maintenance-free way

A chemical-free and maintenance-free way to purify water

For aquariums 75-190 L (20-50 US gallons)

Comes with mounting and hanging hardware

5) and softens water by precipitating calcium and magnesium

discolorations

CaribSea Coraline Caribbean Crushed Coral - 40 lb Heating Interior A chemical-free and maintenance-free wayCaribbean Crushed Coral is full of millions of bacteria that are beneficial to any marine aquarium, engineered for aggressive waste reduction. With the ability to compress ammonia, in new tanks it is proven to help cycle the aquarium days earlier. The unbelievably natural substrate provides dramatic color and texture to your aquarium environment and combines well with fine reef sand offering creatures such as jawfish, blennies and burrowing