PetraMax 16-4-8 Liquid Fertilizer for lawns combines 16% nitrogen for that deep-green color you want, 4% phosphorus for root strength, and 8% potassium for heat tolerance & overall resilience.

The 2-in-1 quick and slow-release nitrogen technology means you get rapid greening plus ongoing nourishment that lasts between applications. We've also enriched lawn fertilizer concentrate with humic acid and potassium to push nutrients deeper into your soil, building tougher roots and better stress resistance. This balanced liquid fertilizer for plants works on every grass type and goes on easily with backpack or battery-powered sprayers. It's safe for your pets once it dries. Reapply every 2-4 weeks or whenever your turf needs it.