Natural and safe (harmless to fish), suitable for all varieties of freshwater aquariums. The Aquael Basalt substrate is a natural and finely textured option ideal for distributing across your aquarium. The dark basalt-black gravel provides stunning contrasts within the aquarium thanks to its deep tone. This natural substrate is free from any artificial additives or coatings, ensuring that it remains neutral in water chemistry and does not leach harmful substances. With a very fine grain size between 2 - 4 mm, it is particularly well-suited for aquariums housing timid fish that prefer a darker substrate for camouflage. Natural substrate free from artificial additives and coatings Basalt-black gravel Creates stunning contrasts in the aquarium Very fine grain size: 2 - 4 mm The substrate material does not alter water hardness Size: 2-4mm Weight: 10kg Aquael's aquarium substrates are highly regarded as the best in their price category among aquarium enthusiasts, appealing not only to novice aquarists and breeders but also to those showcasing their aquariums at major events. The basalt substrate is frequently selected due to its ability to meet the essential requirements of most freshwater tanks. It boasts an exceptionally appealing aesthetic alongside neutral chemical and biological properties. Be sure to explore the Aquael basalt substrate and place your order today in our online store. Product More Details  VISUALLY STRIKING BASALT SUBSTRATE FOR DISCERNING USERS - CHEMICAL AND BIOLOGICAL PROPERTIES The aquarium substrate plays a crucial role in various life processes within the tank, impacting both the animals and plants residing there. It alters the chemical and biological parameters of the water, influences the growth of flora, and maintains an optimal biochemical equilibrium throughout the entire aquarium. Regrettably, not all aquarists pay adequate attention to the substrate and often select it based solely on its visual appeal. Substrates with numerous granules featuring a porous structure can provide a suitable habitat for certain bacteria, while those with sharp-edged stones can injure bottom-dwelling creatures. Conversely, a substrate lacking sufficient minerals can adversely affect plant growth, potentially leading to their demise despite robust roots. For instance, marble substrate significantly influences the biochemical balance due to its composition, which is rich in calcium compounds, making it unsuitable for planted aquariums. For many, the aquarium substrate primarily serves as a stylistic element designed to enhance the aquarium's aesthetics. Our online store offers a wide variety of substrates, each differing in tone and color, as well as granulation and the shapes of individual stones. A key attribute of Aquael's basalt substrate is its lack of impact on the biochemical balance within the aquarium. This quality contributes significantly to its popularity. Basalt gravel is versatile enough to be used in nearly any freshwater aquarium, appealing to both novice hobbyists and professional exhibitors. Generally, basalt has somewhat sharp edges, which might harm bottom-dwelling fish. However, the basalt substrate available in our online store is entirely safe due to its processed and rounded edges. The proper substrate is vital for maintaining biochemical balance, as virtually all substrates, including basalt, are sterile and lack most essential minerals. To address these deficiencies, substrates are placed directly beneath the visible basalt layer. This method prevents their migration into the water while ensuring proper rooting and fertilization of plants. These substrates effectively enhance the quality of aquarium flora and its living conditions, and can, in some cases, inhibit the growth of harmful bacteria present in aquarium environments. One of the standout features of the basalt substrate from Aquael is its unmatched style, highly appreciated by most aquarists. This substrate is defined by its rich, deeply saturated black hue, which beautifully showcases the vibrant colors of vividly colored fish and other aquatic life. It accentuates their distinctive appearances, making them appear healthier and more robust. Many consider basalt substrate to be the finest on the market due to its perfect blend of neutrality in biochemical balance and its strikingly luxurious aesthetic. We invite you to purchase Aquael's basalt aquarium substrate. It is entirely safe and clean, making it an excellent addition to most well-maintained freshwater aquariums.

Stunning cobalt blue stones perfect for enhancing the beauty of freshwater aquariums and landscaping designsExpires on 30 Sep 2027

Perfect substrate for freshwater aquariumsExpires on 02 Aug 2027

Silver Stone is a natural aquarium landscaping rock featuring a textured surface and shades of grey and silver that provide a fresh, authentic aquascape appearance. Perfect for both fish tanks and terrariums, it is built to last, safe for use in freshwater environments, and great for constructing caves, hiding spots, and beautiful rock arrangements. Please be aware that, being a natural product, the pieces will exhibit differences in size, shape, and color.

Pine Rock is a naturally porous aquascaping stone featuring distinctive holes and warm brown hues that contribute to a beautiful mountain-inspired design. Ideal for both aquariums and terrariums, it enhances depth, offers hiding spots for fish, and is both durable and safe for freshwater environments. Please be aware that, as a natural stone, each piece will exhibit differences in size, shape, and color.

Now available in 25 KG bags, these larger pieces of the beautiful green dragon rocks are perfect for tropical aquariums and aquascaping projects.

Perfect substrate for freshwater aquariums.Expires on 02 Aug 2027

It is essential to wash before usingExpires on 02 Aug 2027

Aqua Ocean Natural Coral Sand is sourced from a pristine island in the South China Sea, ensuring it is free from phosphates, nitrates, and surface impurities, making it clean and eco-friendly. This coral sand primarily consists of calcium carbonate, which helps maintain a stable pH level in seawater. Its natural porous structure makes it an excellent choice for bottom sand filtration in aquarium tanks due to its large surface area; it can effectively mimic riverbeds and seashores while also promoting the growth of beneficial bacteria. Features & Benefits: Offers a natural sand bed that boosts nitrification and denitrification processes supported by beneficial bacteria and other microbes in the sand bed. Aids in achieving a natural biological equilibrium in aquariums. Enhances buffering capacity, reducing any fluctuations in pH. 100% Coral Sand Suitable for: Marine and Rift Lake Cichlids

Aquael Natural Gravel serves as an excellent substrate for aquariums, offering vital support for plant life and encouraging robust root development. Its array of natural colors not only enhances the visual appeal of your aquarium but also fosters a lifelike setting. This gravel is completely free from synthetic additives and coatings, making it water-neutral and ensuring no harmful substances leach into the water. Key Features Natural Substrate: Evenly distributed throughout the aquarium, it supports plant growth and aids in nutrient absorption. Attractive Appearance: The mixed colors deliver a natural aesthetic. Water-Neutral: Lacking artificial additives or coatings, it guarantees that no pollutants are introduced into the water. Safe for Inhabitants: The rounded edges minimize the risk of injury to aquatic life. Grain Sizes Aquael Natural Gravel comes in three distinct grain sizes to cater to various aquarium requirements: 1.4 - 2 mm: Best suited for shrimp and small fish. 3 - 5 mm: A universal size that works well in most aquarium setups. 5 - 10 mm: Perfect for aquariums housing larger fish. Choosing the Right Grain Size Shrimp and Small Fish: A grain size of 1.4 - 2 mm ensures a safe and comfortable environment for smaller species. General Use: The 3 - 5 mm grain size is versatile, making it suitable for a wide range of aquarium arrangements. Large Fish: The 5 - 10 mm grain size offers stability and support for larger aquatic inhabitants. Benefits Support for Plants: Promotes strong rooting and efficient nutrient uptake. Safe Environment: Rounded edges and natural materials create a secure habitat. Enhances Appearance: The mixed colors contribute to a visually stunning aquarium landscape. Pollutant-Free: Its natural composition ensures that no harmful substances are released into the water.

KARIS Aquarium Filter Wool – Effortlessly Achieve Crystal Clear Water Maintain your aquarium's water in a clean, clear, and healthy state with KARIS Aquarium Filter Wool. Crafted from high-density polyester fiber, this top-quality filter medium effectively captures dust, debris, and waste particles before they can pollute your tank. Engineered for robust mechanical filtration, it enhances water clarity by up to 2–3 times, fostering a healthier habitat for both fish and aquatic plants. Key Features: ✔ Captures Dust & Waste – Effectively collects fine particles and floating debris ✔ Improves Water Clarity – Achieves noticeably clearer water in a short period ✔ High-Density Polyester Fiber – Sturdy, efficient, and long-lasting ✔ Customizable Size – Simple to cut and shape to meet your filter requirements ✔ Safe for Aquatic Life – Non-toxic and friendly to aquarium inhabitants Specifications: Color: White Material: High-density polyester fiber Size: Can be cut to fit any filter chamber Suitable For Freshwater and saltwater aquarium filters Sump filters Canister filters Pond filters SUGGESTIONS: Replace regularly to maintain optimal filtration performance.

Red Melaleuca Rock is a natural rock for aquariums featuring beautiful red-brown layers that enhance the earthy aesthetics of your aquascape. Ideal for freshwater tanks, it provides shelters and hiding spots for fish, enhances natural decoration, and is robust, durable, and built to last. Please be aware that, as a natural product, each piece will exhibit variations in size, shape, and color.

Red Volcanic Rock is a natural, porous lava rock perfect for aquariums and filtration systems, enhancing water quality while providing an authentic, rugged appearance. Please be aware that as this is a natural product, the pieces will exhibit variations in size, shape, and color.

Silver Stone is a natural rock designed for aquarium landscaping, featuring a textured finish and shades of grey and silver that provide a polished, lifelike aquascape appearance. This product is perfect for both fish tanks and terrariums, offering durability and safety for freshwater environments. It’s excellent for crafting caves, cozy hiding spots, and striking rock arrangements. Please keep in mind that, as a natural stone, each piece will display unique variations in size, shape, and color.

Black Lazuli is a high-quality natural aquascaping rock featuring rich black hues and eye-catching white mineral streaks, perfect for creating a sophisticated and bold arrangement. This rock is excellent for both aquariums and terrariums, offering durability and safety for freshwater environments. It's perfect for crafting caves, hiding spots, and striking hardscape designs. Keep in mind that since this is a natural stone, each piece will differ in size, shape, and color.