My go-to method of control is Fluridone in the late Fall. 7-10 PPB is all you need Way less labor intensive than raking and it doesn't miss a plant. WAAAYYY less labor intensive.

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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).