Succulents are popular plants that are renowned for their low maintenance requirements. They are often grown in pots and containers and can be found in various colors and shapes. The most popular question people ask about succulents is, Can you use aquarium gravel for succulents? In this blog post, I will answer this question and give tips for using aquarium gravel for succulents and its benefits and drawbacks. Stay tuned to learn more.

Using Aquarium Gravel Can Help Succulents

Can You Use Aquarium Gravel For Succulents

Aquarium gravel can provide a perfect substrate for growing succulents. It is made of small pebbles and rocks, which are beneficial for the plants because they help hold water and nutrients and provide a physical barrier between the plant roots and other surfaces in the aquarium. Aquarium gravel can also help to filter impurities from the water, providing optimal conditions for succulents. So, we can use aquarium gravel for succulents.

Tips For Using Aquarium Gravel For Succulents

Aquarium Gravel For Succulents

Aquarium gravel is a great way to add extra nutrients and minerals to succulent plants. Here are some tips for using aquarium gravel for succulents:

  • Ensure the gravel is clean and free of debris.
  • Add a layer of gravel at the bottom of your succulent container and top with soil or potting mix.
  • Water the gravel lightly and allow it to soak up water until it’s moist but not soggy.
  • Once the gravel is wet, add the succulents and gently pat them down on the surface of the gravel.
  • Check on them occasionally, watering if necessary, and replace any dry or dead succulents with fresh ones over time as needed.
  • When repotting, gently remove any root systems from the existing soil before adding new soil/gravel mix to prevent damage to delicate roots; break off rooted sections with your fingers before planting in the new soil/gravel mixture.  

Enjoy the beautiful succulent garden!

Benefits Of Using Aquarium Gravel For Succulents

Gravel For Succulents

Aquarium gravel is a great option for succulents because of its many benefits. Here are a few of the most important: 

  • Aquarium gravel is porous, which allows water and plant nutrients to reach the plants more easily.
  • Aquarium gravel helps keep your plants clean by absorbing excess water and debris.
  • Aquarium gravel helps control pH levels, which is important for succulents that prefer a slightly acidic environment.
  • Aquarium gravel provides a smooth surface on which plants can grow roots, leading to healthier plants overall.     
  • Aquarium gravel comes in different sizes and shapes, so it’s easy to find what you need and fit it neatly into the aquarium; no more struggling with big chunks or sharp edges!
  • Finally, aquarium gravel looks great in any aquarium. It can be used as an attractive addition to any setup – perfect for looking to create a tropical or aquatic look!

So why not give aquarium gravel a try for your next succulent garden? It’s definitely worth a shot – you might be surprised at its effectiveness!

Can You Use Aquarium Gravel For Succulents Drawbacks Of Using

There are a few drawbacks to using aquarium gravel as a succulent substrate. The main drawbacks to using aquarium gravel for succulents: 

  • The texture and composition of gravel can be unsuitable for some succulents, as it is often composed of small, sharp rocks. This way you can cause damage to the plant’s roots and impair their growth.
  • Gravel can become wet and muddy over time, leading to fungal infections and other problems.
  • Gravel often contains heavy metals and other toxins that can harm succulents.
  • Aquarium gravel is often expensive, making it a costly option compared to other soil or potting mix options.
  • Aquarium gravel is difficult to clean and maintain, which could lead to problems with algae or bacteria growth.

Faq About Using Aquarium Gravel For Succulents

What Kind Of Gravel Do You Use For Succulents?

Many types of gravel can be used for succulents, but some are better than others. For example, small pebbles or stones work well because they help to improve drainage and air circulation around the succulent roots. Larger rocks can also be used, but ensure they are not so large that they will block the sunlight from reaching the succulent.

Can I Water Succulents With Fish Tank Water?

The water in fish tanks is often high in ammonia and other pollutants, so it is not advisable to use it to water succulents or other plants. Fish excrete waste as ammonia, which can build up in the water and harm plants. In addition, the chlorine and chloramine used to treat municipal water can also be harmful to plants.

Do Succulents Need Rocks At The Bottom?

No, succulents do not need rocks at the bottom of their pot. The rocks can inhibit the plant’s ability to absorb water and nutrients, causing the plant to become unhealthy and die. Instead, it’s best to plant succulents in soil that’s well-drained and rich in organic matter.

Can You Plant Succulents In Just Rocks?

Succulents are plants can store water in their leaves, making them resistant to drought. If their roots can access soil or another growing medium, you can use rocks to plant plants. The rocks will help to stabilize the plant and keep it from being blown away in the wind.


In conclusion, aquarium gravel can be used for succulents if washed and sterilized first. This can be a great way to reuse old gravel and prevent it from going to the landfill. Ensure that the succulents have proper drainage so they don’t get too wet or too dry.