Aquael Basalt Aquarium Gravel – Safe, Stylish, and Reliable
Aquael aquarium substrates are widely regarded as the best in their price range among aquarists around the world. They’re a popular choice not only for beginners but also for experienced hobbyists and aquascapers who present their tanks at major international events. Among these substrates, Aquael’s basalt gravel stands out as one of the most versatile and frequently chosen options for freshwater aquariums. It combines exceptional visual appeal with a neutral chemical and biological profile, making it suitable for a wide range of aquarium setups.
Visually Striking and Biologically Neutral
Aquarium substrate plays a crucial role in supporting the health of aquatic life, including both fish and plants. It influences the chemical and biological parameters of the water, supports plant growth, and helps maintain overall biostability in the tank. However, many hobbyists select substrate based solely on appearance, overlooking its functional role. For example, substrates with sharp-edged stones can harm bottom-dwelling species, while gravel lacking in minerals may stunt plant growth or even lead to root death despite healthy anchoring. Likewise, substrates rich in calcium compounds—such as marble—can alter water chemistry and are unsuitable for planted tanks.
Aquael basalt gravel strikes an ideal balance. It features rounded and polished edges, making it safe for bottom-dwelling species, and its deep, rich black colour enhances the vibrancy of colourful fish and plants. While basalt in its natural form can be abrasive, Aquael’s version is processed to ensure it’s gentle and safe, even for sensitive species.
Chemically Inert and Universally Compatible
One of the biggest advantages of Aquael’s basalt gravel is its complete neutrality—it has no impact on the water’s biochemical balance. This makes it an ideal choice for virtually any freshwater setup, whether you're establishing a beginner tank or preparing a high-end showpiece. Thanks to its universal character, it’s equally popular among novices and professional aquascapers alike.
While basalt gravel does not contain nutrients, it serves excellently as a top layer over a nutrient-rich substrate. These fertilising layers, placed beneath the visible gravel, improve plant growth and help stabilise the tank’s biological processes without leaching into the water column. They also limit the spread of unwanted bacteria and encourage healthy root systems.
Designed for Performance and Aesthetics
What truly sets Aquael basalt gravel apart is its striking appearance. The deep, jet-black colour provides a stunning contrast that brings out the natural colours of fish and aquatic plants. It adds a premium, luxurious look to any aquarium while offering functionality and safety.
Many aquarists consider it the best substrate in its category thanks to its attractive visual properties and chemical neutrality. It enhances the natural beauty of your aquatic life and helps create a well-balanced, thriving tank environment.
Trusted Quality from a Leading Brand
As one of Poland’s largest manufacturers of aquarium equipment and accessories, Aquael guarantees full product compliance and accuracy of information. Aquael's basalt gravel is clean, safe, and ready to use, making it a perfect match for most freshwater aquarium setups.
- Natural substrate
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Basalt-black gravel
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Water-neutral
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Creates impressive contrasts in the aquarium
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Very fine grain size: 2 - 4 mm