GroundBreaker is a soil treatment and clay breaker that changes heavy clay and compacted soils into usable soil. It improves water penetration and aeration by changing the soil structure. GroundBreaker starts working immediately and maximum effects will take 6 to 8 weeks. GroundBreaker does not need to be dug in. It can be safely used around all plants and grasses. Rinse with water any solution from plant foliage after applying.