Leeds Koi & Pond Centre

Weekly Koi Pond Water Testing Checklist

Use this printable checklist every week to help maintain excellent water quality, healthy koi and efficient filtration.

Weekly Water Testing Checklist

Task
Test Ammonia
Test Nitrite
Test Nitrate
Test pH
Test KH
Test GH (Monthly)
Check Water Temperature
Observe Koi Behaviour
Inspect Biological Filter
Inspect Mechanical Filter
Check UV Clarifier
Check Air Pump & Aeration
Carry Out Scheduled Water Change
Treat Replacement Water
Record All Water Test Results

Water Test Results

Parameter
Reading
Target
Ammonia
0 ppm
Nitrite
0 ppm
Nitrate
As Low As Practical
pH
Stable
KH
Maintain Stability
GH
Suitable Mineral Level
Temperature

Weekly Notes

Print a fresh copy each week and keep it with your pond maintenance records.


© 2026 Leeds Koi & Pond Centre • Pond Knowledge Hub

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