Aqua One Sponge Pad - 4S - 850 AquaStyle - 2pk
Best current price£8.99from B&Q
Best offers
Shopping.co.uk recommended and popular offers
B&Q£8.99Visit shop B&Q - Aquastyle 850 Sponge Filter 4 Stage Efficient Filtration System
Visit shopB&Q£8.99Visit shop All Offers
2 offers from £8.99
View price history by clicking the chart icon.
B&QB&Q - Aquastyle 850 Sponge Filter 4 Stage Efficient Filtration System
Free delivery in 1–3 days
£8.99
Visit shop
OnBuy.comAqua One Sponge Pad - 850 Aquastyle (2Pk) 25004S
Free delivery in 1–3 days
£8.99
Visit shop
Product Information
Full details
The Aqua One Sponge Pad 4S is an essential maintenance component designed specifically for owners of the AquaStyle 850 aquarium who require reliable mechanical filtration. These genuine replacement sponges excel at capturing floating debris and organic waste to maintain water clarity, though users should remember that these pads are primarily for mechanical filtering and must be paired with biological media for a complete ecosystem.
All features
| Brand | Aqua One |
|---|
Extended Product Information
FAQs
How often should I clean the sponge?
It is recommended to check and rinse the sponge every 2-4 weeks, depending on your tank's bio-load.
Can I use this sponge in other Aqua One filters?
No, the 4S pad is specifically dimensioned for the AquaStyle 850 filtration system.
Should I replace the sponge every time I clean it?
No, only replace the sponge when it starts to lose its shape or becomes too degraded to clean effectively.
Does this sponge remove odors from the aquarium?
No, this is a mechanical sponge. For odor removal, you would need to add a carbon or chemical filtration media to your filter.
How many sponges come in the pack?
Each pack contains two genuine Aqua One 4S sponge pads.
Troubleshooting
Reduced water flow from the filter
The sponge is likely clogged with debris; remove it and rinse thoroughly in a bucket of tank water.
Water appears cloudy after sponge replacement
Rinse the new sponge lightly under dechlorinated water to remove any manufacturing dust before installation.
Pros and Cons
Pros
- Perfect fit for AquaStyle 850 models
- High-quality material resists premature degradation
- Effective at trapping fine debris
- Two-pack provides excellent value for regular maintenance
Cons
- Does not provide biological or chemical filtration on its own
- Requires regular rinsing to prevent flow restriction
- Specific to the 4S model and not compatible with all Aqua One filters
Setup, Compatibility & Care
To install, simply slide the sponge pad into the dedicated filter tray within the AquaStyle 850 hood. When performing maintenance, gently squeeze the sponge in a bucket of used aquarium water to dislodge debris. Avoid scrubbing or using soap, as this can destroy the sponge structure or introduce harmful chemicals to the tank. Over time, the sponge will lose its ability to bounce back to its original shape; when this happens, replace it with a new 4S pad to maintain peak filtration efficiency. Keep a spare set on hand to ensure your filtration never stops during a cleaning cycle.