CORAL GRAVEL 2-4cm 25kg

Coral Gravel 2–4 cm The Coral Gravel 2–4 cm is a natural coral substrate, ideal for saltwater aquariums and filtration systems. Its porous structure provides a large surface area for the growth of beneficial bacteria, enhancing biological filtration and contributing to excellent water quality. At the same time, it helps stabilize and maintain pH and carbonate hardness (KH), creating ideal conditions for marine fish and invertebrates. It can be used both as a substrate and as biological filtration media in sumps or external filters. It is also highly suitable as a substrate for lobster holding/sales aquariums. Features Natural coral gravel, 2–4 cm. Ideal as a substrate for saltwater aquariums. Suitable as biological filtration media. Large porous surface area for the growth of beneficial bacteria. Helps maintain stable pH and KH. Suitable for filters, sumps, and saltwater aquariums. Packaging: 25 kg.