The neighbor had a pair of Pekin Ducks on his 1/4 acre pond. The pond was constantly muddy. Something one night got both birds. His pond water clarity improved over the next few weeks tremendously.

I'd try to give them a kiddie pool to swim in and keep them out of the pond.

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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).