Sera Hard Cleaning Sponge
Cleaning Sponge for Persistent Dirt
Sera Hard Cleaning Sponge is designed for removing persistent dirt, spot algae, lime marks, and biofilm from aquarium glass and other hard, smooth surfaces. The practical twin pack ensures convenience and long-lasting use for aquarium enthusiasts.
Product Overview
Occasionally, the view of your aquarium’s underwater landscape can be obstructed by algae or biofilm. The Sera Hard Cleaning Sponge is specifically designed for these challenges. One side features fine, woven steel wool to remove persistent algae and lime marks without scratching glass, while the soft support material gently cleans biofilm and thin periphyton layers. Its ergonomic design allows easy cleaning into corners and along edges with minimal pressure, keeping your tank crystal clear.
Key Features
- Woven Steel Wool Coating: Efficiently removes stubborn spot algae and lime deposits.
- Soft Support Material: Gently removes biofilm and thin periphyton layers.
- Safe for Glass & Smooth Surfaces: Cleans effectively without scratching delicate surfaces.
- Practical Twin Pack: Long-lasting supply for frequent maintenance.
- Ergonomic Design: Easy to clean corners and edges with low pressure.
Why Choose Sera Hard Cleaning Sponge?
- Specially designed for persistent aquarium dirt, algae, and lime marks.
- Effective yet gentle on glass and other smooth surfaces.
- Soft material prevents scratches while cleaning biofilm layers.
- Easy to handle, even in corners and edges.
- Part of Sera’s trusted range of aquarium cleaning and care products.
Complete Cleaning Solution for Your Aquarium
Keep your aquarium glass spotless and enjoy clear views of your aquatic environment.
Choose Sera Hard Cleaning Sponge for effective, safe, and easy aquarium maintenance.




