Nano Tech Block [2]

✅ Ultra-high porous nano structure
✅ Promotes beneficial bacteria colonization
✅ Improves biological filtration efficiency
✅ Helps reduce ammonia and nitrite levels
✅ Maintains crystal-clear water quality
✅ Long-lasting and durable filtration media
✅ Suitable for freshwater and planted aquariums
✅ Safe for fish, shrimp, and aquatic plants