Mini Ring

Improve the efficiency of your filtration system with the Mountain Tree Mini Ring, a compact, high-performance ceramic bio media designed for powerful biological filtration in aquariums, koi ponds, and advanced aquatic systems. Despite its small size, the Mini Ring delivers exceptional surface area for beneficial bacteria colonization, making it an ideal solution for maximizing filtration capacity in limited space setups.

Manufactured from ultra-porous ceramic material, each ring provides a highly effective environment for nitrifying bacteria to grow and thrive. These bacteria play a crucial role in breaking down harmful ammonia and nitrites, helping maintain stable water conditions and supporting a healthier aquatic ecosystem. The open ring structure also promotes strong water flow and oxygen exchange, ensuring consistent biological activity throughout the filter.

Perfect for sump systems, canister filters, trickle filters, bakki showers, and both freshwater and marine aquariums, the Mountain Tree Mini Ring offers reliable, long-lasting performance. Its durable ceramic construction resists breakdown over time, making it a cost-effective and low-maintenance filtration media for hobbyists and professional aquaculture systems alike.

Whether used as a primary bio media or as part of a layered filtration setup, the Mini Ring helps improve water clarity, reduce toxic waste buildup, and create a balanced, thriving aquatic environment.

Key Features:

• Compact high-efficiency ceramic bio media
• Extremely porous surface for beneficial bacteria growth
• Enhances biological filtration performance
• Helps reduce ammonia and nitrite levels
• Promotes strong water flow and oxygen exchange
• Durable long-lasting ceramic construction
• Ideal for small or high-density filtration systems
• Suitable for koi ponds, aquariums, sump systems, and bakki showers
• Works in freshwater and marine environments
• Improves water clarity and overall aquatic stability

• Free Shipping is valid for orders with a subtotal exceeding $199 and all orders will be shipped via UPS. Items purchased for delivery after 3pm will ship the following day. Items purchased for delivery after 3pm on Friday will ship Monday.
• Koi Fish and Live Plants only ship Monday- Wednesday. For orders placed after 3pm on Wednesday, the order will be shipped the following Monday.
• For Motor Freight (LTL) Shipments, oversized or heavy items unsuitable for traditional parcel delivery are not eligible for free shipping. These items will be dispatched through a motor freight carrier, as indicated on the product page. Once the carrier receives your order, they will reach out to arrange a delivery time. An individual aged 18 or older must be present to sign for the delivery.
• You may return or exchange an unused or unopened item for a refund (excluding shipping and handling charges) within 30 days of purchase. Following 30 days, the item may be returned in exchange for a store credit. Return shipping cost are covered by the customer and some items returned will result in a restocking fee. Please click here to review our returns policy.
• To receive a refund for Live Plants, you must email ecommerce@fitzfishponds.com with the image of the item in the original packaging for review.
• To ensure Live Plants have the best chance to arrive without issue, it is recommended to select next day air or two day shipping options.
• Used chemicals and fish food are not returnable. In addition, all sales on Japanese Koi are final and non-refundable. Should you have any questions or concerns when your fish arrive, please call 908-420-9908.