Jose from Scottsdale, Az writes
Is Pendimethalin both the color and the main pre emergent active ingr
Unfortunately, that is proprietary information on the Pendulum 3.3 EC product, but the active ingredient pendimethalin is not what causes it to be yellow. There is an actual yellowing agent that does that. We recommend using Pendulum AquaCap if you want that same active ingredient that does not contain the yellow agent in it.
Answer last updated on: 04/28/2017