Our Diagnosis
It sounds like your pond water has high pH
How to be sure
Your test results show alkaline or high pH levels (above 8.4) and your pond generally looks ok – this is an invisible water quality problem. Your fish won’t like it – they may appear pale or dark and shimmy, scratch, jump and flick against objects in the pond.
Step 1 – Treat your pond
- Treat the entire pond using pH Adjuster for Alkaline Ponds.
- Complete a 10% water change if the pH is particularly high and re-test
Changes in pH should always be made gradually. Never change the pH value by more than 0.5 in any one day.
