Look into Green Clean Plus or Cutrine Plus.liquid. Follow the directions on the label, I'd only treat half the pond at once.

Do you have aeration? If not, look into getting a system.


www.hoosierpondpros.com

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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).