100g • 250g • 500g — More Than 10 Types Aquarium Bio Balls Biochemical Ball Filter Media for Fish Tank

Powerful biological filtration for clearer, healthier aquarium water. These aquarium bio balls are premium biochemical filter media designed to host beneficial bacteria, remove harmful ammonia and nitrite, and improve water clarity in freshwater and saltwater fish tanks.

Why choose these Bio Balls?

• Engineered surface for rapid colonization of beneficial bacteria
• Improves biological filtration and stabilizes water chemistry
• Durable, reusable, and chemically inert — safe for fish and plants
• Multiple sizes and types to fit any filter, sump, or DIY setup

Key features

• Available weights: 100g, 250g, 500g — buy the amount you need
• More than 10 types available (various shapes, porosity and materials) to match flow rates and tank bioload
• High surface area design maximizes bacteria growth for efficient nitrogen cycling
• Lightweight, washable, and long-lasting — reduces replacement frequency
• Neutral pH and non-toxic materials — safe for freshwater and marine aquariums

Benefits for your aquarium

• Faster establishment of biological filtration for new tanks
• Lower ammonia and nitrite spikes, promoting fish health
• Clearer water and reduced maintenance workload
• Compatible with internal filters, hang-on-back (HOB) filters, canisters, sumps, and DIY filter boxes

Sizes & types (choose at checkout)

• 100g — ideal for small tanks and HOB filters
• 250g — perfect for medium aquariums and backup media
• 500g — best for larger tanks, canisters, and sumps
• Choose from over 10 types: coarse porosity, fine porosity, hollow balls, ceramic variants, and more

How to use

• Rinse under aquarium water (or dechlorinated water) to remove dust before first use
• Place in mesh filter bag or directly in the filter media chamber
• Ensure water flows evenly through the bio balls for best bacterial colonization

Maintenance tips

• Rinse gently during regular maintenance—avoid vigorous scrubbing to preserve beneficial bacteria
• Replace only when physically degraded; functional media can last many months to years
• Combine with mechanical and chemical media for a complete filtration system

Compatibility

• Freshwater and marine aquariums
• Small nano tanks to large community and reef systems
• Works with HOB filters, canister filters, sumps, and DIY filtration setups

What’s included

• Selected weight of aquarium bio balls (100g / 250g / 500g) in your chosen type
• Ready to rinse and install

Keep your aquarium water healthy and stable with professional-grade biochemical filter media. Add the right amount of bio balls to your cart now and give your tank lasting biological filtration.