To add to Bill's great post above,

4th: Test the water to determine the alkalinity. If it is below 40 ppm then a phytoplanktom bloom will have a hard time utilizing any nutrients in the water to thrive. That may be why you don't get a bloom. What is your alkalinity?

Richmond Mills uses feeders to feed the fish and put nutrients into the water (as feed that couldn't be assimilated by the fish) on a continual basis because the flow thru GPM doesn't allow the bloom to get established before the nutrient laden water is washed out of the pond/lake.


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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).