Marine pure, Biomedia block

MarinePure BioMedia Block – High-Performance Biological Filtration for Aquariums & Ponds

Upgrade your filtration system with the MarinePure BioMedia Block, the ultimate biological filter media for both freshwater and saltwater aquariums, as well as ponds. Engineered with an incredibly high surface area-to-volume ratio, this porous ceramic block provides the perfect home for beneficial bacteria to thrive—reducing ammonia, nitrite, and nitrate levels efficiently and naturally.

Each 8"x8"x4" block offers the same surface area as over 1,350 plastic bio-balls, making it an ideal solution for sump chambers, refugiums, wet/dry filters, and large canister filters. Its open pore structure ensures optimal water flow while maintaining low resistance, encouraging the growth of both aerobic and anaerobic bacteria for complete nitrogen cycling.

Key Features:

• Massive Surface Area: Supports robust bacterial colonies for superior biofiltration

• Durable Ceramic Material: Long-lasting and inert—won’t break down or leach into water

• Compact & Powerful: 1 block equals the surface area of over 1,350 bio-balls

• Versatile Use: Perfect for sumps, refugiums, large filters, or custom setups

• Promotes Crystal Clear Water: Helps maintain stable, healthy water conditions

Whether you're running a high-bio-load reef tank or a koi pond, the MarinePure BioMedia Block is the professional-grade solution trusted by hobbyists and aquaculture facilities alike.