birds and other wildlife and the air brings in disease.
change some water, add 0.9lb of rock salt per 100 gallons.
if you got PP do 3 treatments with a day in between treatments. or, use formalin
product in the same way.
do some big water changes. toss in a cup of peroxide after each water change.
Ingrid

Heather M. Fieldhouse wrote:
We haven't added any new fish or even plants to the pond in years, so there
isn't an obvious avenue for disease to have entered the pond. My hunch is
water quality problems, but we've never had to worry about the pond water
quality before so I don't really know what I should be testing. What should
I test for besides ammonia? pH, maybe?

Thanks,
Heather



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