Natural ocher gravel (Ø 0 - 2 mm) suitable for all freshwater and saltwater aquariums sera Gravel Ocher is resistant to CO2 and does not affect the water chemistry, meaning it won’t alter water parameters or discolor the water. With a grain size of 0 - 2 mm, it provides an excellent environment for plant growth. Its rounded grains also make it ideal for accommodating bottom-dwelling fish such as catfish. Independently tested according to DIN 38415-6 / EN ISO 15088, sera Gravel Ocher has been confirmed to be free from pollutants. This makes it a great choice for keeping and breeding delicate species.

MARFIED CONTROSOIL BLACK A versatile aquarium plant substrate derived from volcanic materials Promotes robust root growth for aquatic plants Rapidly colonized by helpful microorganisms that enhance overall water quality Does not break down or murky the aquarium water Aids in clarifying water and eliminates impurities

MARFIED CONTRO SOIL BROWN 10L This versatile aquarium plant soil is derived from volcanic materials. It promotes robust root growth for your aquatic plants. Beneficial microorganisms quickly establish themselves, enhancing the overall quality of the water. It remains stable and does not break down or cloud the water in your aquarium. Additionally, it aids in clarifying the water and eliminating impurities.

This AQUAEL product is a specialized substrate designed specifically for shrimp aquariums. Visually, the soil resembles black gravel with an average grain size ranging from 1 to 4 mm. Its natural, meticulously chosen components help to optimize water parameters for shrimp and promote a balanced ecosystem, creating a harmonious environment for both the plants and animals in your aquarium!  How does it enhance water parameters? The natural habitat of shrimp typically features a carbonate hardness of up to 3°d and pH levels between 5.5 and 6.5. In this perfect setting, shrimp flourish and exhibit a strong inclination to breed. The Advanced Soil Shrimp Powder incorporates natural humic acids that are gradually released into the water*; these acids positively influence the reproductive readiness of crustaceans while also encouraging plant growth.  A well-maintained plant environment is crucial for shrimp, as it hosts a variety of beneficial filter bacteria. This substrate also enhances biological filtration in the aquarium, making it ideal for fostering beneficial nitrifying bacteria. By absorbing harmful substances, it contributes to a healthy ecosystem and improves water quality, resulting in remarkably clear water. *The substrate continuously releases nutrients, ensuring long-lasting effectiveness and promoting sustainable use without the need for frequent changes or additional nutrient supplementation. This substrate provides an increased sense of security and comfort for shrimp—these crustaceans prefer darker environments and feel more secure due to the soil's black hue; their natural shyness diminishes, allowing them to become more active! Owners will enjoy observing the vibrant colors of their shells more frequently and studying their fascinating behaviors. Additionally, the dark substrate beautifully contrasts with the vivid colors of the shrimp, making them even more eye-catching. Note: The conditions mentioned apply to the most common dwarf shrimp species of Caridina cf. cantonensis, including the more demanding, highly cultivated "Taiwan" varieties—such as Panda, King Kong, and Red Wine—as well as many other freshwater shrimp from the Caridina and Neocaridina genera.

This AQUAEL product serves as a premium bottom substrate designed for freshwater aquariums, particularly those featuring natural aesthetics, lush plant life, and shrimp inhabitants. Visually, the Soil is akin to black gravel with an average granule size of 2.5 mm. Made from natural, thoughtfully selected materials, it optimizes water parameters essential for the health of various freshwater ornamental fish, plants, and crustaceans. The positive impact on the entire ecosystem becomes evident quickly: clearer water, thriving plants, and more energetic aquatic life!  How does it correct water parameters? Advanced Soil Plant is packed with natural nutrients that gradually release into the water* and positively influence key aquarium water characteristics for aquatic species: it helps lower or stabilize pH and KH (carbonate hardness) levels. As a result, plants experience enhanced growth and display a more vibrant appearance. Thanks to this Soil, fish can even be introduced on the very first day of setting up the aquarium. Moreover, this Soil enhances biological filtration within the aquarium due to its porous nature, making it an ideal environment for beneficial nitrifying bacteria to flourish. The granules also trap nitrogen compounds, thereby aiding in the preservation of a healthy ecosystem. Consequently, water quality improves, resulting in visibly crystal-clear water. The dark substrate not only functions well but also offers aesthetic benefits: its deep color makes ornamental fish, vibrant shrimps, and lush green or reddish plants stand out beautifully; colorful decorations also create striking contrasts. *The Soil continuously releases nutrients over time, ensuring long-lasting effectiveness and allowing for sustainable use without the need for frequent changes or additional nutrient supplements.