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Best Gravel For Planted Aquarium (2024 Updated)

If you’re looking for the perfect substrate for your planted aquarium, you might want to consider using gravel. Gravel is a great option for several reasons, including its ability to provide anchorage for aquatic plants, its natural look, and the fact that it doesn’t release any harmful substances into the water.

Before investing in any gravel for your planted aquarium, there are a few factors you’ll need to consider. Firstly, you’ll need to determine how fine or coarse you want the gravel to be. Generally, finer gravel is better for smaller plants with more delicate roots, while coarser gravel is better for larger plants with stronger roots. You’ll also want to consider the color of the gravel, as it can affect the overall look of your aquarium. Additionally, you’ll want to make sure the gravel you choose is compatible with any other fish or aquatic life you have in the tank.

Are you tired of constantly replacing dead plants in your aquarium? Using gravel as a substrate can help keep plants anchored and healthy. Do you want to add a natural look to your aquarium? Gravel comes in a variety of colors and sizes, offering a more realistic look than other substrates. Wondering about the safety of your aquatic life? Gravel is a safe option as long as you choose a compatible type. Keep these factors in mind when selecting the best gravel for your planted aquarium.

10 Best Gravel For Planted Aquarium

# Product Image Product Name Product Notes Check Price
1
Ideal for use as a substrate in freshwater aquariums to promote healthy plant growth and provide a stable foundation for shrimp.
2
Ideal for creating healthy, planted aquariums with porous natural substrates that promotes thriving aquatic growth.
3
Ideal for decorating gardens, filling planters, adding texture to home decor, and providing a natural habitat for aquariums and animals.
4
This product is ideal for providing a natural substrate for aquatic freshwater planted fish tanks.
5
It is ideal for planted aquariums, providing nutrients and substrate for healthy plant growth.
6
Ideal for filling plant pots, vases, and aquariums with polished gravel rocks for decorative purposes.
7
The product is ideal for growth of plants and shrimp in fish tanks.
8
This product is ideal for use in models, aquariums, bonsai, and miniature gardens.
9
Ideal for aquariums, planted fish tanks, succulents, and natural decor; unpolished small pebbles for a natural look.
10
Ideal for providing essential nutrients to freshwater aquarium plants to promote healthy growth and vibrant colors.
Ideal for use as a substrate in freshwater aquariums to promote healthy plant growth and provide a stable foundation for shrimp.
Ideal for creating healthy, planted aquariums with porous natural substrates that promotes thriving aquatic growth.
Ideal for decorating gardens, filling planters, adding texture to home decor, and providing a natural habitat for aquariums and animals.
This product is ideal for providing a natural substrate for aquatic freshwater planted fish tanks.
It is ideal for planted aquariums, providing nutrients and substrate for healthy plant growth.
Ideal for filling plant pots, vases, and aquariums with polished gravel rocks for decorative purposes.
The product is ideal for growth of plants and shrimp in fish tanks.
This product is ideal for use in models, aquariums, bonsai, and miniature gardens.
Ideal for aquariums, planted fish tanks, succulents, and natural decor; unpolished small pebbles for a natural look.
Ideal for providing essential nutrients to freshwater aquarium plants to promote healthy growth and vibrant colors.

1. Aqua Soil: Natural Substrate For Planted Aquariums.

Made by Nature is a specially processed natural material from the earth, making it an ideal planted aquarium substrate for most aquatic plants. It promotes a healthy plant root system and is perfect for shrimps that require softer water. This substrate has been developed for the cultivation of aquatic plants and is also suitable for shrimps. It contains fundamental minerals and trace elements, rich in organic acids and nitrogen nutrients, that promote the health and growth of shrimps.

The porous structure of this substrate creates an attractive and stable breeding ground for beneficial bacteria that keep your aquarium water clean. It also reproduces the mildly acidic water condition that most aquatic plants prefer and can extend and slow the release of the fertilizer needed for aquatic plants.

This product is safe to use in your aquarium, and you don't need to rinse it before use. Simply use a bowl or plastic bag in your aquarium and add water to the bowl or plastic bag, allowing the water to overflow softly onto the gravel bed. The initial cloudiness of the water will clear up quickly as the filter system runs. This substrate has been strictly tested and has proved to be harmless to fish and aquatic plants. However, for safety, it is recommended that you wait for at least a week before adding any fish or shrimp.

This substrate comes in a 5L bag with a normal 3-5mm grain size and a black color. It weighs approximately 10 lbs. In general, the average thickness of aquarium soil laid ranges from 6-8cm, and specific cases can be referred to this usage amount to determine how much you need for your system.

Pros

  • Made from specially processed natural material from the earth
  • Ideal natural planted aquarium substrate for most aquatic plants
  • Provides a healthy plant root system and is perfect for shrimps that require softer water
  • Contains fundamental minerals and trace elements, rich in organic acids and nitrogen nutrients that promote the health and growth of shrimps
  • The porous structure creates an attractive and stable breeding ground for beneficial bacteria that keep your aquarium water clean
  • Reproduces the mildly acidic water condition that most aquatic plants prefer and can extend and slow the release of the fertilizer needed for aquatic plants
  • Safe to use in your aquarium and does not require rinsing

Cons

  • – None found

2. Seachem Flourite Black Clay Gravel – Stable Porous Natural Planted Aquarium Substrate 15.4 Lbs

Seachem Flourite Black is a high-quality, porous clay gravel specially designed for use in natural planted aquariums. Its unique appearance makes it an ideal choice for planted aquaria, though it can be used in any freshwater aquarium.

This product is highly effective when used alone as an integral substrate bed, and does not require the use of gravel modifiers such as laterite. However, it can be mixed with other gravels if desired.

When setting up an aquarium with Flourite Black, it is best to fill the tank slowly to avoid disturbing the substrate bed. To do this, place a bowl in the aquarium and add water directly to the bowl, allowing it to overflow softly onto the gravel bed. Initial cloudiness is normal, but can be easily removed with mechanical filtration.

Flourite Black substrates are compatible with under gravel filters and will not soften or decompose over time. Additionally, this product does not contain any chemical coatings or treatments, and will not alter the pH of the water. It is highly beneficial for the life of the aquarium and does not need to be replaced.

Pros

  • Specially designed for use in natural planted aquariums
  • Highly effective when used alone as an integral substrate bed
  • Does not require the use of gravel modifiers
  • Compatible with under gravel filters
  • Does not contain any chemical coatings or treatments
  • Highly beneficial for the life of the aquarium

3. Naturally Beautiful Pebbles For Home And Garden.

Add a touch of natural beauty to your garden or home with Royal Imports' high-quality natural stones. These river rocks are non-toxic and eco-friendly, making them a great alternative to mulch that won't deteriorate over time. With a variety of applications, including flowerbeds, groundcover, decorative concrete topping, and walkway paving, these decorative rocks are a permanent and cost-effective solution.

This pack of pebbles is perfect for enhancing the beauty of your garden, lawn, potted plants, or aquarium. They can be used in a variety of ways, such as flower arrangements, vase fillers, walkways, water features, exposed aggregate flooring or walls, swimming pool areas, and more. They also make a great accent to aquariums, water gardens, ponds, and terrariums (note: use caution).

These river rocks are round and smooth, providing good drainage and a comfortable surface for walking. They are perfect for use in flower and garden beds, as well as on walkways for erosion control.

Bring a touch of natural beauty to your décor with these smooth and vibrant river rocks. The natural black and white finish pebbles can be used in a variety of decorations and will wonderfully embellish nature-themed surroundings. Scatter them around the base of a pillar candle in hurricane glass for an eye-catching homage to the Great Outdoors on your coffee table or mantel.

These river rocks come in a 5-pound netted bag, with approximately 600 rocks per bag. They range in length from approximately 1.5 inches to .25 inches, and may vary in shape and thickness due to their natural origin. The color of the rocks is natural, including a variety of different shades of browns, whites, and black rocks.

Pros

  • Non-toxic and eco-friendly
  • Permanent and cost-effective alternative to mulch
  • Round and smooth for good drainage and comfortable walking surface
  • Versatile for a variety of indoor and outdoor uses
  • Natural black and white finish for a touch of natural beauty

Cons

  • – Some rocks may be broken or out of shape

4. Ultum Naturals: Aquatic Substrate For Planted Tanks.

The granule composition and sizes of this product are specifically designed for planted aquariums to provide optimal oxygen exchange and rich nutrients for aquatic plants. It is also suitable for all freshwater inhabitants such as tropical fish and shrimp that prefer slightly acidic aquarium water. The low ammonia release of this product promotes and accelerates beneficial bacteria growth, which is essential for a healthy aquarium. Additionally, it helps clarify and detoxify cloudy water by actively absorbing impurities, making it an excellent choice for those who want crystal clear water in their aquarium. This product also buffers water to a slightly acidic pH and lowers total water hardness for better aquatic plant nutrient consumption environment. With this product, you can create a beautiful and healthy aquatic environment for your plants and freshwater inhabitants.

If you are looking for a product that is easy to use and provides excellent benefits to your planted aquarium, this is the perfect choice. With no rinsing required, you can simply add it to your aquarium and watch as it works its magic. Your plants and freshwater inhabitants will love it, and you will love the results.

This product is a must-have for anyone who wants to create a thriving planted aquarium. Its unique composition and pH buffering capabilities make it an ideal choice for anyone looking to improve their aquatic environment. Give your plants and freshwater inhabitants the best possible environment by using this product today.

Pros

  • Optimal oxygen exchange and rich nutrients for aquatic plants
  • Suitable for all freshwater inhabitants such as tropical fish and shrimp
  • Promotes and accelerates beneficial bacteria growth
  • Helps clarify and detoxify cloudy water
  • Buffers water to a slightly acidic pH and lowers total water hardness

5. Caribsea Eco-Complete 20-Pound Planted Aquarium, Black

The freshwater planted aquariums require a complete substrate that can provide nourishment to aquarium plants, and this is where this product comes handy. The substrate is enriched with major and minor trace elements that provide essential nutrients to the plants to help them grow healthily.

The substrate is carefully formulated to encourage healthy root growth in aquarium plants, which helps them anchor themselves in the substrate and absorb nutrients efficiently. This feature is especially useful for plants that require a lot of nutrients to grow, such as those with large root systems.

This substrate is perfect for anyone looking to set up a planted aquarium or those who want to enhance the growth of their existing aquarium plants. It is easy to use and can be added to the aquarium without any prior preparation.

The substrate is also long-lasting and does not break down easily, which means that it provides long-term benefits to the aquarium plants. It also creates a natural environment for the plants, which helps them thrive.

Overall, this substrate is an excellent choice for anyone looking to create a healthy and thriving planted aquarium. With its unique blend of nutrients and its ability to encourage healthy root growth, it is sure to take the growth of your aquarium plants to the next level.

Pros

  • Contains major and minor trace elements to nourish aquarium plants
  • Encourages healthy plant root growth
  • Long-lasting and does not break down easily

6. Color-Polished Decorative Stones For Plant & Aquarium

The Natural Color Agate Stones are a perfect addition to any plant lover's collection. These stones are processed from rough stones and are eco-friendly, ensuring durability and long-lasting color without fading. Each piece is irregular in shape, adding a unique touch to your plant decor.

These polished Colorful Decorative Rocks serve as a protective groundcover that restrains the growth of weeds and provides good drainage. They are suitable for indoor and outdoor planters, flower pots, air plants, bamboo plants, and more, making your plant pots look more beautiful.

The Colorful gravel comes in different sizes and colors, with a size of about 0.2"-0.35" (5-10 mm) and a Color color. Each bag contains approximately 1 lb (460g) of stones.

These Colorful river gravels are versatile and suitable for various occasions, including home interior decoration, fairy gardens, scene settings, aquarium fish tank stones, vase fillers, feng shui energy enhancement, and other DIY craft projects, satisfying your creativity and design needs.

Using these Rifny Color Stones is effortless, as they come packed in reusable sealing bags that are easy to open and close. Simply open the top of the bag and reseal it after use.

Pros

  • Eco-friendly and durable natural stones
  • Irregular shape adds a unique touch to plant decor
  • Protective groundcover that restrains weed growth and provides good drainage
  • Suitable for indoor and outdoor planters, flower pots, air plants, bamboo plants, and more
  • Versatile and suitable for various occasions and DIY craft projects
  • Easy to use, packed in reusable sealing bags

Cons

  • – May not be suitable for those who prefer uniform shapes and sizes

7. Fluval Plant And Shrimp Stratum, For Fish Tanks, 4.4 Lbs., 12693

The Fluval Stratum is a premium quality, mineral-rich volcanic soil that is specially designed to stimulate strong and healthy growth in aquarium plants. This substrate is ideal for those who want to create a natural, authentic aquatic environment in their tank, as it replicates the conditions found in many freshwater ecosystems.

One of the key benefits of this substrate is that it promotes a neutral to mildly acidic pH, which is perfect for most types of aquatic plants and shrimp. This is because it contains a range of beneficial minerals and trace elements that are essential for healthy plant growth, including potassium, magnesium, and calcium.

The Fluval Stratum is also incredibly easy to use, and comes in a convenient 4.4 lb bag that is suitable for most aquarium setups. Simply rinse it thoroughly before use, and then add it to your tank to create a natural-looking substrate that will help your plants thrive. Whether you are a beginner or an experienced aquarist, this substrate is an excellent choice for anyone who wants to create a beautiful, healthy aquarium environment.

Overall, the Fluval Stratum is a highly effective and reliable substrate that is perfect for those who want to create a flourishing aquarium environment for their plants and shrimp. With its mineral-rich volcanic soil, neutral to mildly acidic pH, and easy-to-use design, it is a must-have for any serious aquarist.

Pros

  • Made of premium quality, mineral-rich volcanic soil
  • Stimulates strong and healthy growth in aquarium plants
  • Promotes a neutral to mildly acidic pH, which is perfect for most types of aquatic plants and shrimp
  • Contains a range of beneficial minerals and trace elements that are essential for healthy plant growth
  • Easy to use and comes in a convenient 4.4 lb bag

8. Slate Stone Gravel – Natural Base For Creativity.

This bag of natural slate stones is a beautiful addition to any scene or habitat. Sourced from the USA, these stones are 100% real slate and range in size from 1/8 to 1/4 inches. They are PH neutral and should be thoroughly rinsed before placing in your habitat. The stones are perfect for aquascaping, aquariums, terrariums, vivariums, and other pet enclosures. They are also great for bonsai and can be used in home decor as ground cover for indoor plants. These stones are a natural grey slate that are darker when wet, and can be darkened permanently using a sealant or clear finish. However, it is important to note that sealant or finish should not be applied to stones that will be used in aquariums or pet enclosures. The stones may have slight color variations and white quartz veins, or brown/rust colored slate mixed in, which adds natural uniqueness and interest to the stones. These stones are perfect for basing miniature models, creating walkways, ground cover, and much more in miniatures, model railroads, miniature or fairy gardens, and doll houses.

Overall, this bag of natural slate stones is a great addition to any habitat or scene. They are versatile and can be used in various ways. The slight color variations and white quartz veins, or brown/rust colored slate mixed in, adds a unique touch to the stones, making them stand out from other natural stones. These stones are a great way to add natural beauty and realism to your creations.

Pros

  • 100% real slate stone sourced from the USA
  • Versatile and can be used in various ways
  • PH neutral
  • Slight color variations and white quartz veins or brown/rust colored slate mixed in adds a unique touch to the stones
  • Perfect for aquascaping, aquariums, terrariums, vivariums, and other pet enclosures
  • Great for bonsai and home decor
  • Perfect for basing miniature models, creating walkways, ground cover, and much more in miniatures, model railroads, miniature or fairy gardens, and doll houses

9. Natural River Gravel For Aquatic Gardens

Bring the beauty of the river to your aquascape with the River Gravel. This stunning natural substrate is an excellent choice for freshwater aquariums and terrariums. It features a pea-sized texture, making it perfect for accent stones in smaller aquariums or foreground coverage in larger setups. The gravel's smooth surface ensures the safety of bottom-dwelling fish like Plecos, Corydoras, and Otocinclus.

The River Gravel is unpolished, giving your aquarium a more natural look. It comes in various colors, including reds, browns, grays, and blacks, allowing you to create the perfect aquascape for your fish. Not only is it ideal for aquariums and terrariums, but it's also a great top dressing for succulent or other plant pots.

Get the River Gravel today and create a stunning, natural-looking aquascape that your fish will love!

Pros

  • Beautiful choice for a natural aquascape
  • Perfect for freshwater aquariums and terrariums
  • Smooth surface makes it safe for bottom-dwelling fish
  • Unpolished for a natural look
  • Comes in various colors for customization
  • Great for top dressing in plant pots

10. Api Root Tabs Freshwater Aquarium Plant Fertilizer 0.4-Ounce 10-Count Box

The API ROOT TABS Freshwater Aquarium Plant Fertilizer is a must-have for those who love to keep plants in their freshwater aquarium. This product is specially designed to promote strong root development for lush plants in freshwater aquariums. It comes in a 10-count box and contains 0.4 ounces of tablets. The tablets contain essential nutrients including iron, potassium, and carbon, which are necessary for the overall growth of aquatic plants.

If you are new to keeping aquatic plants, this product will help your plants get off to a vigorous start, and if you already have established plants, the API ROOT TABS Freshwater Aquarium Plant Fertilizer will help keep them flourishing. To use this product, simply add the tablets to the gravel bed every month to ensure the best results.

The API ROOT TABS Freshwater Aquarium Plant Fertilizer is easy to use, and it will not cloud the water. Moreover, it is safe for fish and other aquatic creatures in your tank. With this product, your plants will grow healthier and more vibrant, providing a beautiful and natural environment for your aquatic pets.

In summary, the API ROOT TABS Freshwater Aquarium Plant Fertilizer is a reliable and effective fertilizer that will help you keep your aquatic plants healthy and thriving.

Pros

  • Promotes strong root development
  • Contains essential nutrients including iron, potassium, and carbon
  • Helps new aquatic plants get off to a vigorous start
  • Keeps established plants flourishing
  • Easy to use
  • Will not cloud the water
  • Safe for fish and other aquatic creatures

Best Gravel For Planted Aquarium FAQs

Can I use regular aquarium gravel for a planted tank, or do I need special planting substrate?

Using regular aquarium gravel for a planted tank may not be the ideal choice as it does not provide the necessary nutrients for the plant growth. Special planting substrate is recommended as it contains essential nutrients and minerals required for the healthy growth of aquatic plants. The substrate also ensures that the plants can anchor their roots properly and absorb nutrients efficiently. In addition, planting substrate helps in maintaining the pH level of the water, which is crucial for the overall health of the aquatic ecosystem. However, if you have already set up your tank with regular aquarium gravel, you can still add root tabs or liquid fertilizers to provide the required nutrients. But for the long-term health of your aquatic plants, it is recommended to use a specialized planting substrate.

How do I properly clean and maintain gravel in a planted aquarium?

Cleaning and maintaining gravel in a planted aquarium is crucial to ensure that your aquatic plants and fish remain healthy. Regular cleaning of gravel is necessary to remove debris, uneaten food, and waste products that can accumulate over time and negatively impact the aquarium's water quality.

To properly clean and maintain gravel in a planted aquarium, start by removing any decorations, plants, and fish from the tank. Next, use a gravel vacuum to suction out debris and waste products from the gravel bed. You can also use a fine net to remove any larger debris that the vacuum may have missed.

After cleaning the gravel bed, replace the water that was removed with fresh, dechlorinated water. It's important to monitor the water quality regularly using a water test kit to ensure that the water parameters are within the acceptable range for your aquatic plants and fish.

In addition to regular cleaning, it's also important to maintain your aquarium's filter system properly. A well-maintained filter can help keep the water clean and clear and reduce the need for frequent gravel cleaning.

Overall, proper cleaning and maintenance of gravel in a planted aquarium is essential to the health and well-being of your aquatic plants and fish. With regular cleaning and monitoring, you can ensure that your aquarium remains a healthy and vibrant environment for your aquatic pets.

How much gravel should I use in my planted aquarium?

The amount of gravel to use in a planted aquarium depends on various factors such as the size of the tank, the type of plants, and the type of fish you intend to keep. A general rule of thumb is to use one to two pounds of gravel per gallon of water. However, if you have heavy root feeders, you may need to add more gravel to provide sufficient nutrients for the plants. Additionally, if you plan to keep fish that like to sift through the gravel, such as corydoras, you may want to use a thinner layer of gravel to prevent them from ingesting too much of it. It's also crucial to ensure that the gravel is properly rinsed before adding it to your tank to avoid cloudiness and debris. Ultimately, it's best to research the specific needs of your plants and fish and consult with a professional before determining the appropriate amount of gravel for your planted aquarium.

Is gravel a suitable substrate for a planted aquarium?

Gravel can be a suitable substrate for a planted aquarium depending on the type of plants you plan to grow. Some plants may require a finer substrate such as sand or soil, while others can thrive in gravel. It is important to consider the needs of your plants and choose a substrate that will provide them with the necessary nutrients and support. Gravel can also be a good option for aquariums with bottom-dwelling fish as it allows them to forage and dig. However, it is important to ensure that the gravel is properly cleaned and free of any sharp edges that could harm your fish. Additionally, adding fertilizers and root tabs can help provide the necessary nutrients for your plants to grow in a gravel substrate. Overall, while gravel can be a suitable substrate for a planted aquarium, it is important to research and consider the needs of your specific plants before making a decision.

What is the best size of gravel for a planted aquarium?

The size of gravel that is best for a planted aquarium will depend on the type of plants that you intend to grow. Generally speaking, a gravel size of 2-3mm is ideal for most aquatic plants. This size is small enough to allow for proper water flow and nutrient exchange, while also providing enough surface area for beneficial bacteria to colonize.

It is important to note that some plants may require a larger or smaller gravel size. For example, plants with large root systems may require a larger gravel size to allow for proper anchoring and nutrient uptake. On the other hand, plants with fine roots may require a smaller gravel size to prevent damage to their delicate roots.

In addition to the size of the gravel, it is also important to consider the overall quality and composition of the substrate. A high-quality substrate will provide essential nutrients and minerals for plant growth, while also supporting the overall health of your aquarium. When selecting a substrate, be sure to choose a product that is specifically designed for planted aquariums and follow the manufacturer's instructions for use.

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