Dual Density Aquarium Filter Sponge Pad – High Porosity Biological Filter Media for Fish Tank, Canister & Pond Filters – Reusable & Durable Filter Floss​

【High-Density Eco-Friendly Material】​​ Made from premium bonded polyester, this ​​aquarium filter sponge​​ effectively traps debris, eliminates odors, and enhances ​​water clarity​​ without chemical additives – safe for sensitive fish and shrimp.​​ 【Dual-Layer Biofiltration】​​ The unique ​​dual-density design​​ combines coarse (20PPI) and fine (30PPI) foam layers to maximize surface area, accelerating ​​beneficial bacteria growth​​ for superior biological filtration and stable water parameters.​​✂️ 【Customizable Size】​​ Easily cut-to-fit with scissors to match any ​​canister filter​​, HOB, or ​​pond filter system​​ – no wasted material and perfect for nano tanks to large aquariums.​​ 【Reusable & Durable】​​ Unlike disposable pads, this ​​filter floss roll​​ withstands 100+ washes without tearing or fiber loss, saving cost and reducing waste – simply rinse and reuse!​​ 【All-Aquatic Compatibility】​​ Works flawlessly in ​​freshwater​​, ​​saltwater​​, turtle tanks, and koi ponds, maintaining optimal ​​oxygen levels​​ and crystal-clear water for healthier aquatic life.