Aquarium Biological Filter Media Hollow Center Ceramic Rings + Bio Balls for Fish Tank (All-in-one Media)

About this item

• bio balls for aquarium filter Collect multiple common filtering materials together, without the need to mix and match them separately. The ratio we match is also the most suitable for biochemical filtration, saving time and effort.
• aquarium filter media Ultra-porous ceramic matrix (850m²/m³ surface area) with 0.8mm flow channels—maintains 4.1ppm nitrate stability for 12 weeks (Fluval FX6 case study). Bacteria colonization starts in 11 hrs.
• ceramic rings for aquarium filter Reusable for 18+ months—rinse & reuse! Custom-stack layers: Place coarse sponge upstream for cichlid tanks, bio balls downstream for shrimp colonies. 58% cost saved vs single-use cartridges.
• fish tank filter media Withstands 2500 GPH flow without disintegration—ideal for turtle tanks/koi ponds. Corrosion-resistant in saltwater (96hr pH8.6 test passed). Fits ALL canister/HOB filters—no retrofit needed!
• aquarium ceramic rings All materials are safe, non-toxic, and harmless, meeting environmental standards, and can be used with confidence.