Fish Tank Bio Filter Balls Durable Porous Filtration Media 100-500g Ideal for Small Large Aquariums & Decor

# 100-500g Fish Tank Filter Balls - Bio Aquarium Filter Media & Decor for Home Fish Keeping, Aquariums & Ponds ### Core Advantages: 1. **Powerful Biological Filtration**: These filter balls greatly optimize your aquarium's bio-filtration cycle, eliminating harmful toxic substances and stabilizing water quality to create an ideal thriving environment for your aquatic pets. 2. **Hassle-Free Maintenance**: No complicated cleaning steps required! Simply rinse the filter balls with leftover aquarium water when you do regular water changes. They have a durable structure, so you don't need to replace them frequently. 3. **Wide Applicability**: We offer 3 weight options (100g, 250g, 500g) to match different use demands. They work perfectly for both small desktop fish tanks and large outdoor ponds, always providing reliable high-performance filtration. 4. **Aesthetic Upgrade**: Apart from their core filtration function, these filter balls also serve as nice decorative pieces for your tank. They fit naturally with any aquarium landscape design, making your whole tank look more neat and beautiful. 5. **100% Safe for Aquatic Life**: Crafted from premium non-toxic quartz material, these filter balls will never release any harmful chemicals into the water, keeping your fish, shrimp and all other aquatic pets fully protected. ### Specifications: Material: Premium Quartz Color: As shown in images Size: As described Package Content: 1 * Filter Ball Pack (100g / 250g / 500g optional) ### Warm Tips: 1. Product images are for illustrative purposes only, please refer to the description for exact size info. 2. Minor weight deviation (1-3g) is normal due to manual measurement, thanks for your kind understanding. 3. Actual color may differ a little from the photos due to different monitor display settings. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.