Originally Posted By: L's Pond
How long does one application of dye last? I've got areas that are only 2 or 3 ft deep when the water is low, would dye prevent weeds and FA from growing in that shallow water?


I think every little bit of sunlight blocked helps. How long it lasts all depends on the concentration of the dye that you put in, how much you used, and how much it gets diluted by rainfall or runoff.

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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).