Aquarium Biological Filter Bio Balls (300g–1kg, Hollow Nano Particles, Fish Tank & Pond Media)

Build a powerful biological filter with these high-surface-area Hollow Nano Bio Balls! 🧫

• 🧫 High Surface Area - hollow nano particle design provides maximum area for beneficial bacteria colonization.
• 📦 3 Size Options - choose 300g, 500g, or 1000g to match your filter chamber or media reactor volume.
• 💧 Superior Bio Filtration - bacteria hosted on bio balls rapidly break down ammonia and nitrite.
• 🔄 Long-Lasting Media - durable plastic balls maintain their shape and surface structure indefinitely.
• 🪣 Pond & Tank Compatible - suitable for koi ponds, aquarium sumps, canister filters, and fluidized beds.