i too have fought coontail for 3 years, i got good advice from kelly duffie and i spray a solution of water 1 gal of aquathol to 15 gal of water, over my 1surface acre pond located in central tex, all trapped rain water, no natural stream input, it has worked great, the cutrine plus works on the algae and i think to some extent on the weeds but not as well. good luck
david903
