Mei Ting Aquarium Filter Media Bio Balls Ceramic Rings 12 in 1 Fish Tank Pond Ring 500g Mesh Bag with Zipper x 2 packs

🔄 12-in-1 Natural Mineral Media Combines ceramic rings, volcanic rock, maifan stone, bio-balls + 8 mineral-based filter materials for physical purification and ecological water conditioning. 🌊 Multi-System Compatibility Ready for 10-200 gallon freshwater/saltwater tanks, ponds, and all filter types: hang-on-back, canister, sump, and power filters. 💧 Triple-Action Water Refinement Mineral layers capture suspended particles Porous structures retain fine debris Natural composition balances water properties 🎒 Ready-to-Install Packaging Pre-measured 1000g (2.2 lb) media in zippered mesh bags ⚠️ Critical note: Activated carbon separately sealed to prevent color transfer during initial rinse ⏳ Sustained Performance Maintains filtration efficiency for 6-8 months. Simply rinse and reuse when flow decreases.