BASF Pendulum® 59049276 2.5 gal AquaCap Herbicide. Pendulum AquaCap herbicide offers preemergent control of grassy and broadleaf weeds in a liquid formulation, including crabgrass, goosegrass, foxtail, barnyardgrass, fall panicum, chickweed, henbit, knotweed, spurge and others. Pendulum AquaCap herbicide encapsulates a water-based formulation of the industry's leading preemergent active ingredient — BASF pendimethalin — in an ultra-thin capsule.