Coral coloration is influenced by many factors, including lighting, water quality, nutrition, and overall aquarium conditions. Understanding the possible causes is the first step toward improving coral health.

In the vast South China Sea, there are thousands of islands of different sizes dotted.

The so-called salinity is the weight percentage of all inorganic salts present in 1 kg of water.

If you're setting up an aquarium tank for your tropical fish, you may be wondering which substrate to use - calcium sand or coral sand. Both types of sand have their advantages and disadvantages, so it's important to compare them before making a decision.

The hardness of natural seawater is mostly maintained at 7-9dH. In the aquarium, the hardness of seawater should be controlled at 7-9dH.

When a coral loses its natural color and turns pale or white, many reef keepers immediately worry that the coral is dying. However, bleaching is actually a stress response. Understanding why it happens can help prevent further damage and improve the chances of recovery.

This is a paradise for marine fish and aquatic animals.

Salinity is extremely important for marine ornamental fish.