From all of my experience and that's a lot with hydrated lime, it will raise your pH, it will not lower it. A 7.6 is not all that high, I have seen an 8pH in my pond before. It did not kill any fish that I am aware of. Droughts suck, we see droughts a lot here in our Texas water levels where they fluctuate quite a bit. So, I can relate with what you are seeing. I also have good numbers of fish and when the water drops it concentrates them into a smaller area, makes then a little easier to catch. So, maybe the thing to do is to remove some biomass in the pond. I would think that would help to eliminate adding more ammonia. I am no expert when talking ammonia an how much a fish can live with.


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Tracy