For watermeal the fluridone has to be in a concentration in the whole pond at 90 PPB for at least 30 days.

What you are probably seeing is the seeds that are in the bottom of the pond germinating and growing.

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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).