Aquarium Substrate

Aquarium sand turns black because of the presence of black algae. It also turns black when the leftover food and organic

Aquarium sand floats because it has fine dust particles that rise and float in water. If you don’t remove these dust

Aquarium sand turns brown because of the excessive growth of brown algae or diatoms in the aquarium water. These microorganisms appear

Aquarium sand turns green when there is an overgrowth of cyanobacteria algae. These algae multiply very fast if the aquarium is

Aquarium gravel turns yellow due to yellow algae, tannins leaking from driftwood, rotting plants, debris, leftover food, and fish waste. However,

Aquarium gravel turns brown because of brown algae bloom in the tank. Brown algae grow due to excessive levels of silicates,

Aquarium gravel usually turns green due to green algae bloom. Green algae are caused by excessive lighting, poor water quality, and

Aquariums need gravel because it provides a secure place for the fish to rest and hide. It also provides the surface

Aquarium gravel usually turns black due to black beard algae bloom. Other reasons are low carbon dioxide levels in the tank