When it comes to gravel is the most common substrate for freshwater aquaria. Its availability is in various colors and might be naturally dyed or colored. Aquarium gravel can be as fine as 1–2 mm or as coarse as pea-sized. It might have a polymer seal to ensure gravel does not affect water chemistry. CEC, or simply Cation Exchange Capacity, is vital to consider while choosing gravel. aquarium gravel for plants will hold nutrients and further make them available to plant roots as CEC can absorb nutrient ions that are positively charged.

Amount of gravel to use

• There are a few factors for the gravel’s depth for aquariums:
• Live plants in setup
• Whether there is undergravel or canister filter
• The living species of fish in the aquarium
• The dimension of the tank

Types

• Colored gravel- Most of the options available for colored gravel are manufactured from white dolomite.
• Inert gavel- It does not contain any substance that contributes to altering the tank’s water chemistry. That’s crucial in case to offer fish soft or neutral water.
• Pea gravel is the most popular gravel choice, especially when giving an aquarium a natural look. The formation takes place from tiny fragments of assorted kind’s stone.

Conclusion

It can be concluded that gravel can add the general aesthetic to a new aquarium setup. Also, aid the environment in the growth of beneficial bacteria. It also helps for the healthy growth of live plants and, in turn, aids in oxygenating the water.