You could practice on the smaller pond below the dam. Whack it hard enough to get it all to precipitate out at once, then compare it to Georgetopia.

You work any on getting the BH out of there?

Just remember the PITA factor in doing the alum treatment in stages. wink

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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).