Fish have reddened fins, and are more prone to disease.
Plants do not grow well.
Biological filters struggle to control ammonia and nitrites. |
pH too low.
Water too soft.
Peat within the pond.
Excessive waste build up. |
Regular partial water changes from a source with a higher pH, but not more than a 25% change in any one go.
Add plants and rocks such as tufa. |
Ammonia becomes more toxic to all pond life.
Fish gills can be damaged.
Biological filters struggle to control ammonia and nitrites. |
Lime scale leaching into water from cement or rocks, this will drastically affect pH. |
Regular partial water changes from a source with a lower pH but not more than a 25% change in any one go.
Treat all exposed cement with G4 sealant.
Remove all lose pieces of cement and rocks containing lime. |
