I agree, what is your definition of "clear water" and why do you expect to have it?

Plants and algae will grow wherever sunlight can get to the bottom of the pond, even further down than you can see the secchi disk.

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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).