About This

• 【Improve Water Quality】Placing aquarium filter media in fish tanks and filters, it can comprehensively filter impurities in the water, improve water quality in fish tanks, solve impurity problems, stabilize PH values, and use this high-quality bio media ceramic filter media blocks creating a good living environment for fish.
• 【Large Surface Area】High-quality ceramic media are covered with thousands of small pores, an excellent exchange place for air and water, promoting air exchange in water, increasing dissolved oxygen, and thus forming a good ecological environment.
• 【Wide Range of Uses】Crack into pieces to any size needed, High density aquarium Biological filter blocks is perfect for freshwater and saltwater pond fish tank, sumps and ponds. It can also be placed in fish tanks as a decorative item.
• 【Product Information】5-color mixed ceramic filter media 30pcs. Size: 6.1”x1.38”x1.38”.