AquaForte O‑6500 PLUS Pond Pump (65W)
High‑Efficiency, Solids‑Handling Pump for Medium Ponds, Filters & Waterfalls
Product Overview
The AquaForte O‑6500 PLUS is a high‑efficiency pond pump designed for medium ponds, waterfalls, pressure filters, and biological filtration systems. Delivering 6,500 L/h at only 65W, it offers excellent flow with low running costs. The PLUS‑Series hydraulic upgrade provides improved head height, smoother flow, and reliable solids handling, making it a strong, versatile choice for koi and garden pond owners.
Key Features
- 6,500 L/h flow rate — ideal for medium ponds and filtration systems.
- Energy‑efficient 65W motor — powerful performance with low running costs.
- Solids handling up to 6 mm — perfect for koi ponds and biological filters.
- PLUS‑Series hydraulic upgrade — improved impeller and flow path for higher head height.
- Submersible or dry‑mount installation — inlet must remain below water level.
- Thermal overload protection — safeguards the motor for long‑term reliability.
- Quiet, dependable operation — engineered for continuous 24/7 use.
- Multi‑step hose tail included — fits 25/32/40 mm pipework.
Technical Specification
- Model: AquaForte O‑6500 PLUS
- Max Flow: 6,500 L/h
- Power Consumption: 65W
- Max Head Height: 4.0 m (typical PLUS‑series performance)
- Solids Handling: Up to 6 mm
- Installation: Submersible or dry‑mounted
- Cable Length: 10 m
- Outlet Size: 1.25″ (with multi‑step hose tail)
- Dimensions: 260 × 140 × 160 mm (approx.)
- Warranty: 2 years
- Use: Medium ponds, waterfalls, pressure filters, moving‑bed systems
Performance Comparison
| Model | Wattage | Max Flow | Best For |
|---|---|---|---|
| O‑5000 PLUS | 45W | 5,000 L/h | Small–medium ponds |
| O‑6500 PLUS | 65W | 6,500 L/h | Medium ponds, waterfalls, filters |
| O‑8500 PLUS | 85W | 8,500 L/h | Medium–large ponds |
| O‑10000 PLUS | 95W | 10,000 L/h | Koi ponds, multi‑stage filtration |
Recommended Pond Size
| Pond Volume | Recommended Use |
|---|---|
| 2,500–5,000 L | Main circulation pump |
| 5,000–10,000 L | Filter pump for koi/garden ponds |
| Waterfalls | Ideal for medium cascades & streams |
Ideal Applications
- Medium garden ponds
- Koi ponds (small–medium)
- Pressure filters
- Multi‑bay and moving‑bed filters
- Waterfalls & streams
- Wildlife ponds
Installation & Maintenance
- Install submerged or dry‑mounted (inlet must remain below water level).
- Clean the pump cage regularly to maintain maximum flow.
- Protect from freezing in winter.
- Ensure airtight hose connections to prevent air draw.
- Suitable for continuous 24/7 operation.
FAQ
Is the O‑6500 PLUS suitable for koi ponds
Yes — ideal for small to medium koi systems.
Can it run dry‑mounted
Yes, provided the inlet remains below water level.
What’s the difference between standard and PLUS models
PLUS pumps offer higher flow, better head height, and improved efficiency.
Is it safe for fish
Yes — the impeller and housing are fish‑friendly.
Does it work with pressure filters
Yes — it’s ideal for medium pressure and biological filters.

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