3cm - 5cm Natural Aragonite Coral Sand/Pieces.

Cyclone proof sand, won't blow

around, perfect for marine and Cichlid

tanks, a good all rounder.

Finest grade small rubble size, looks brilliant in aquariums, also suits use as filter media.

Serentiy Natural Aragonite Coral Sand is graded, triple washed, and is ideal for Marine and Reef Aquaria, and fresh water where a higher pH is required.

Serenity Natural Aragonite Coral Sand is the perfect substrate for the base of aquariums and also as filter media.

Naturally buffers pH and adds calcium.