"Specifications: Thickening Biochemical Filter Sponge, tough and durable. Size: Approx 50x50x2cm (L*W*H) Color: black Features Moderately hole, can cultivate high density nitrifying bacteriaCan be used repeatedly after cleaning This Fish Tank Biochemical Filter Sponge can be used in sea water tank, fresh water tank, aqua-plant tank The size can be cut freely as you need Good shading features, can reduce the algae breeding Strong filterability, can stable water quality and reduce fish died Suggested to clean it every month Package Included: 1PC Aquarium Filter Sponge "
Trustpilot
3 weeks ago
4 days ago
