glysophate causes cancer. It's called the farmer's disease.
I would grind down as far as you can, then use 45% Pure Vinegar - Concentrated Industrial Grade. At least 2 gallons.
Only if youre the moron stirring the tank with your arm, getting continually blasted in the face with wind blown overspray. And doing that for 40 years
Helps to smoke 3 packs of cigs a day too.
