hygger 6.2-Inch Long Large Aquarium Filter Media, Ceramic Bio Media Blocks for Sump Tank Pond Fish Tank Media (7.9 lbs,40-Pack)

Key features

• [Dual Purpose Filtration]: This aquarium filter media serves mechanical filtration to catch fine particles and biological filtration for raising good stuff
• [Large Surface Area]: Premium ceramic media covered with thousands of porous tiny holes provides large surface area for bio filtration as well as filter out sparkling clear water
• [Crystal Clear Water]: Aquarium media block effectively absorbs fish waste and debris, providing crystal clear water for fish to thrive
• [Valued Bulk 40-Pack Ceramic Blocks]: Each block measures 6.2" long, 1.5" diameter, approx 90 grams. Package includes: 40 packs ceramic blocks, approximately 7.9 lbs in total
• [Wide Application]: crack into pieces to any size needed, great for used in freshwater aquariums, planted aquariums, sumps and ponds. (PS: not suitable for saltwater aquarium)