Tetra Stayclean Bio-Bag Cartridge Aquarium Filter Insert – Medium – 1 Pack
• Water Clarifier – flocculent binds small dirt particles which are easier to filter
• Active Cleaning – proprietary technology reduces buildup on glass
• Easier Maintenance – stable water helps prevent pH crashes
• Integrated Design – tablet holders molded into frame cover with time release design
| Feature | Description |
|---|---|
| Filter Type | Cartridge Insert |
| Size | Medium |
| Package Quantity | 1 Pack |
| Material | Plastic, with integrated flocculent |
FAQ
How does the flocculent in the cartridge work?
The flocculent binds small dirt particles in the water, allowing them to clump together and be more easily filtered out by the system.
Does this cartridge help maintain stable water conditions?
Yes, by reducing suspended particles and preventing sudden pH shifts, the cartridge contributes to more stable water conditions.
Is the tablet release mechanism reliable?
The time-release design is integrated into the frame and provides consistent performance over time, though results may vary slightly depending on water conditions.

Sue Hamilton –
The filter insert works well in my 20-gallon tank. Water clarity improved noticeably after a week of use. The tablet release is steady and I don’t have to clean it as often. Easy to install and fits perfectly in my existing filter.
Liam North –
I’ve used this for two months now and the water stays clearer than before. The buildup on the glass has reduced, which makes maintenance easier. A small improvement over the standard filter.
Michael Hardacre –
Great for beginners. The filter helps keep the water clean without needing frequent cleaning. The time-release tablets keep the water stable and the tank looks much cleaner.