Aquarium filter foam is a high-quality open-cell polyurethane sponge designed for fish tanks and aquatic systems. Available in 10–60 PPI grades, it efficiently traps debris, waste, and particles while supporting beneficial bacteria growth. It maintains smooth water flow and biological filtration, ensuring clean, healthy water for aquatic life. Made with premium materials, it is durable, reusable, and customizable to fit various aquarium sizes and filtration setups.
Precise Filtration & Biological Support
Our aquarium filter foam features a uniform open-cell structure, graded from 10 to 60 PPI to suit different tank sizes and fish species. It effectively captures solid waste, uneaten food, and debris while creating an ideal environment for beneficial nitrifying bacteria to colonize. This supports both mechanical and biological filtration, helping maintain stable water parameters and a healthy ecosystem for fish, shrimp, and aquatic plants.
Long-Lasting Durability & Easy Maintenance
Made with high-quality polyether foam, our aquarium filter sponge is highly resistant to compression, clogging, and degradation. It maintains its shape and filtration efficiency even after repeated rinsing and long-term use, reducing the need for frequent replacements. Unlike low-quality alternatives that break down quickly, our foam stays intact, preventing fine particles from leaching into the water and harming aquatic life.
Safe & Non-Toxic for All Aquatic Life
Our filter foam is made with food-safe, non-toxic materials that are free from harmful chemicals, dyes, and additives. It is fully inert in water, so it will not alter pH levels, release toxins, or harm sensitive fish, shrimp, or plants. This makes it suitable for freshwater, saltwater, and planted aquariums, providing peace of mind for hobbyists and commercial fish farms alike.
Customizable for Any Aquarium Setup
We offer aquarium filter foam in various sizes, thicknesses, and shapes, including sheets, blocks, and pre-cut pieces, to fit different filter types (sponge filters, canister filters, hang-on-back filters, etc.). Whether you need coarse foam for pre-filtration or fine foam for polishing, we can customize the PPI rating and dimensions to match your exact aquarium size and filtration requirements.
Cost-Effective & Eco-Friendly Solution
Our aquarium filter foam is reusable and washable, allowing hobbyists to clean and reuse the sponge multiple times, reducing waste and long-term costs. It is also made with eco-friendly materials that are recyclable, aligning with sustainable practices. With consistent quality and competitive pricing, it offers excellent value for both individual aquarium owners and bulk buyers.
Description | Polyurethane filter sponge |
Size | 1000*2000*N or Custom-made |
Aperture | 10PPI-60PPI |
Density | 22KG/M3±1 |
Tolerance on length and width | ±2MM is eligible |
Tolerance on thickness | ±1MM is eligible |
Primary materials | Polyether polyol,Stronge Polyether polyol,MDI,TDI,Silicon,cpd.,coloring matter and so on. |
Tolerance on aperture | ±3PPI |
Tensile strength(kpa)≤ | 45 |
Elongation(％)≤ | 65 |
75% Compressed permanent deformation%≤ | 6 |
Resilience rage %≥ | 35 |
Strength at break N/CM≤ | 5 |
Rigidity when compressed by 25% %≤ | 70 |
Rigidity when compressed by 65% %≤ | 120 |
65%/25% compression rate≤ | 1.5 |
Resistance for electricity | 1.0*1010 |
Temperature used | _50℃－＋50℃ |
Good resistance in acid and alkali | The range of PH :5.0-8.0 |
Freshwater & saltwater aquariums, supporting mechanical and biological filtration for fish, shrimp, and plants.
Various filter systems (sponge, canister, hang-on-back) with customizable PPI grades.
Commercial aquaculture and fish hatcheries for water quality control.
Water pumps, fountains, and pond filters to prevent clogging.
Q: Can I customize the size and PPI of the filter foam?
A: Yes. We offer full customization for aquarium filter foam, including PPI (10–60), thickness, size, and shape, to match your exact filter and aquarium requirements.
Q: Is the filter foam safe for all types of aquatic life?
A: Yes. Our filter foam is made of non-toxic, food-grade polyurethane, free of harmful additives, and safe for freshwater, saltwater tanks, and sensitive fish/shrimp.
Q: How long does the filter foam last and how to maintain it?
A: With proper rinsing every 2–4 weeks, our foam lasts 6–12 months. It is reusable and durable, maintaining filtration efficiency even after repeated cleaning.
Q: Do you offer bulk or wholesale orders for commercial use?
A: Yes. We support bulk orders with stable production capacity, competitive pricing, and consistent quality, suitable for fish farms, pet stores, and filter manufacturers.
Q: What is your lead time and shipping options for filter foam orders?
A: Standard lead time is 7–15 days, depending on order quantity. We support sea, air, and express shipping, and can also handle export documents for your convenience.
