The newest production run of Optimal is approximately .040" smaller in diameter than the one that you pictured, and approximately .040" larger in diameter than the initial run. Tony, the initial run is the food that you had.


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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).