Natural coral rubble. Grain size 20-25mm. Sold by the kilo. In addition to marine aquariums, it is suitable for freshwater aquariums to raise KH.

ATI Fiji White Sand 9.07 kg (S) 0.3-1.2mm The Fiji White sand is a high purity, fine, white ground for Saltwater aquariums and is characterized by many positive attributes: 1. Highest purity: Our sand is...

ATI Fiji White Sand 9.07 kg (M) 1.0-2.0mm The Fiji White sand is a high purity, fine, white ground for Saltwater aquariums and is characterized by many positive attributes: 1. Highest purity: Our sand is...

ATI Fiji White Sand 9.07 kg (L) 2.0-3.0mm The Fiji White sand is a high purity, fine, white ground for Saltwater aquariums and is characterized by many positive attributes: 1. Highest purity: Our sand is...

CaribSea Ocean Direct – Live Sand (2.25 kg) Simply amazing! Real Caribbean live sand in a breathable bag – no chemicals, no preservatives. Ocean Direct™ is unlike any other substrate. This pure aragonite sand uses...

Outstanding Selection Special Coarse Reef Sand 2-3mm. Natural bottom substrate for marine and reef aquariums. Dramatically shortens time required to establish biological filtration.   Contains live, naturally occurring nitrifying microorganisms. No rinsing required:   Sustainably harvested...

Outstanding Selection Special Fine Reef Sand 1-2mm. Natural bottom substrate for marine and reef aquariums. Dramatically shortens time required to establish biological filtration.   Contains live, naturally occurring nitrifying microorganisms. No rinsing required:   Sustainably harvested...

Nature's Ocean ® Aragonite Live Reef Substrate 7.26kg is a high quality, 100% natural live sand. Particle size: 1.0-2.5mm This is a beautiful living sand with a grain size of 1 to 2.5 mm. It comes with...

EN AF Bio Sand is a natural white sand derived from the highest quality deposits. It is free of any contaminants and its calcium carbonate content helps to stabilize water chemistry. The latest technology in...

EN AF Bio Sand is a natural white sand derived from the highest quality deposits. It is free of any contaminants and its calcium carbonate content helps to stabilize water chemistry. The latest technology in...