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OASE HEL-X 13 – 800ml of High Surface Biological Filter Media for Freshwater and Marine Aquariums
OASE HEL-X 13 is a high-efficiency biological filter media developed to support effective biological filtration in both freshwater and marine aquariums. Its unique design provides an extensive colonization surface for nitrifying and denitrifying bacteria, essential for breaking down harmful nitrogen compounds.
Thanks to its high porosity and hollow cylindrical structure, HEL-X 13 maximizes water flow and microbial interaction. This allows for the efficient removal of toxic substances such as ammonium, ammonia, nitrites, and nitrates, stabilizing water quality and ensuring a healthy aquatic environment.
Neutral and chemically inert, HEL-X 13 is fully safe for all aquarium inhabitants. Its durable and long-lasting composition makes it ideal for refilling or upgrading any biological filtration system, especially in OASE filters such as BioMaster and BioPlus.
Main features:
Biological media for freshwater and marine aquarium filtration
Volume: 800ml
Hollow structure with high surface area for bacterial colonization
Efficient removal of ammonium, ammonia, nitrites, and nitrates
Supports stable, biologically active filtration
100% safe for fish, plants, and invertebrates
Perfectly compatible with OASE filtration systems
Ideal for filter upgrades or replacements
Why choose OASE HEL-X 13:
OASE HEL-X 13 provides optimal biological support for enhancing water quality and filtration efficiency. With its innovative shape and high surface area, it offers the ideal environment for beneficial bacteria, ensuring clean, balanced, and safe water in any aquarium setup.
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