What are the correct pond water parameters?
Pond water quality is an important criteria in managing a healthy eco-system for your fish, plants and resident wildlife. The water chemistry should be measured and tested for the main water parameters on a regular basis, so you can determine and address any fundamental fluctuations before they become an issue.
Main Pond Parameters Checklist:
| Parameter | Ideal Range | Notes |
|---|---|---|
| Oxygen (O₂) | ≥6.0 mg/L | Vital for fish and aerobic bacteria |
| pH | 7.5 – 8.5 | Stability is crucial; avoid sudden shifts |
| KH | 95 – 150 ppm (3–6 dKH) | Buffers pH and supports biofiltration |
| GH | 3 – 15 dGH | General hardness (minerals like calcium & magnesium) |
| Ammonia (NH₃) | 0 – 0.5 ppm | More toxic at high pH levels |
| Nitrite (NO₂⁻) | <0.5 ppm | Highly toxic; should be near zero |
| Nitrate (NO₃⁻) | <25 ppm | Less harmful but still stressful at high levels |
| Phosphate (PO₄) | ~0.05 ppm | Controls algae growth |
For a more detailed insight into each water parameter, please visit our Pond Parameters Blog.
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