I use a digital scale that will weigh in 0.1 lb. For a tape, I cut a 6" pieceo of PVC in half lengthwise, attached a piece of plexiglass on one end and a 24" piece from a tape measure on the bottom.

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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).