You may need to get the tilapia in sooner. Once the FA infestation gets a head start, no amount of tilapia works.
I ran into this a couple of years ago. I put 70 pounds of tilapia in a 1.5 acre pond West of Fort Worth. It's a limestone area with a very high alkalinity. The land owner later added another 40 pounds. Nothing worked and I called in Lusk the next year. They sprayed and added tilapia. Again nothing worked. The third year they jumped on it earlier with chemicals and tilapia. They also added some beneficial microbes. They also sprayed a couple more times. It worked but the answer was to jump on it when it first occurs and stay on it.
It's not about the fish. It's about the pond. Take care of the pond and the fish will be fine. PB subscriber since before it was in color.
Without a sense of urgency, Nothing ever gets done.
Boy, if I say "sic em", you'd better look for something to bite. Sam Shelley Rancher and Farmer Muleshoe Texas 1892-1985 RIP
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