Pond Boss Forums AQUATIC VEGETATION Controlling unwanted plants Controling Cattails

I'VE TRIED CHEMICALS ON MY CATTAILS,THEY WORK BUT EVERY YEAR I'VE HAD TO SPEND ALOT OF MONEY,THERE IS A DOG TRAINER THAT USES MY POND TO TRAIN HIS LABS,HE RECOMMENDED CUTTING THEM OFF BELOW THE WATER LINE TO LET THEM ROT IN THE WATER,I TRIED IT ON ONE SIDE OF THE POND AND USED CHEMICALS ON THE OTHERSIDE,GUESSWHAT,THE CUT CATTAILS HAVE NOT RETURNED,THE CATTAILS KILLED WITH CHEMICALS HAVE RETURNED AFTER APPROX.6 MOS.