Oase BioSmart Gravity Filter
Best gravity filtration system for pond owners seeking clear, healthy water.
This is the set-it-and-forget-it solution for pond owners tired of battling murky water. By prioritizing biological health over brute-force cleaning, it builds a self-sustaining ecosystem that does the heavy lifting for you. You sacrifice a bit of manual control, but you gain a consistently clear, low-maintenance pond.
$259.00
at
Dragons Gate Koi USA
Who it's for
- Pond owners wanting mess-free, quick routine maintenance
- Gardeners struggling with persistent green water algae
- Fish keepers needing reliable biological and mechanical filtration
Who should skip it
- Landscapers with limited space for elevated equipment placement
- Owners of heavily stocked koi or goldfish ponds
- Buyers seeking long-term durability in harsh, sunny climates
Performance breakdown
Biological filtration efficiency
Specialized foams create an ideal environment for essential nitrogen-cycling bacteria.
Maintenance simplicity
Cleaning handles and a clear indicator remove guesswork from routine upkeep.
Oxygenation performance
Flow-through design ensures water remains oxygen-rich for a healthy pond ecosystem.
Installation ease
Straightforward setup process makes this accessible for pond owners of all levels.
System integration
Designed to pair seamlessly with Oase pumps and UV clarifiers.
Monitoring capability
Integrated temperature display provides helpful, real-time data for water health.
Key Specs
Filtration Type
Multi-stage mechanical and biological filtration
Filter Media
High-surface area filter foams (Blue, Green, Red)
Cleaning Feature
Built-in cleaning indicator and cleaning handles
Temperature Monitoring
Integrated water temperature display
Compatibility Example (BioSmart 5000)
Vitronic 18 UVC and AquaMax Eco Classic 1900 Pump
Pond Capacity (BioSmart 5000, Light Load)
<5,000 gal
Pond Capacity (BioSmart 10000, Light Load)
<10,000 gal
Installation Difficulty
Easy
Suitable for Freshwater
Yes
Replacement Parts Available
Yes (specific foam part numbers listed)
Know before you buy
Still have a question?
Ask Metto anything about the Oase BioSmart Gravity Filter before you decide.