Nitrogen Fertilizer Max
Fast Deep Green Boost
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...
Green-Up Fast Without Burning Your Lawn
PetraMax’s liquid lawn fertilizer is designed to feed your entire lawn without the harsh side effects. The quick-release nitrogen brings yellowing grass back to life immediately, while the slow-release nitrogen keeps feeding between applications.
Build Roots That Can Handle Anything
Your grass is only as strong as what's happening below the surface. This fast-absorbing liquid fertilizer for grass is infused with humic acid and potassium that drive nutrients deep into your soil. You get tougher, more resilient roots that handle drought better.
Complete Nutrition That Won't Overwhelm Your Lawn
Our balanced fertilizer is simple to apply—just use a backpack or battery-powered sprayer for even coverage. It supports healthy leaf growth and overall vigor without dumping unnecessary nutrients into your soil. It's safe for lawns that are already stressed.
Easy Application That Gets It Right Every Time
Mix 5 oz of PetraMax grass fertilizer spray per gallon of water for regular maintenance, or bump it up to 10 oz per gallon if your turf is really nitrogen-deficient. For best results, reapply every 2-4 weeks, water lightly for 20 minutes after you spray, and skip mowing for 24 hours.
Safe, Straightforward, and Effective
Apply our fertilizer for grass during early morning or late afternoon when temperatures are cooler, and your grass isn't stressed. Keep children and pets off the lawn until it's completely dry. Stick to the recommended dilution rates, and this balanced fertilizer maintains steady nutrition.
FREQUENTLY ASKED QUESTIONS
Liquid fertilizers absorb faster than granular products because they deliver nutrients directly to your grass blades and soil. That means quicker visible results, more even coverage, and better control over how much you're applying. If you want predictable results without the risk of over-fertilizing, liquid is the way to go.
A 16-4-8 lawn fertilizer gives you higher nitrogen content for fast green color and growth, balanced with just enough phosphorus and potassium to keep your roots strong and your overall lawn healthy. This ratio is perfect for maintaining dense, vigorous turf while improving stress tolerance during the spring and summer growing seasons.
Yes. Patchy lawns usually mean your grass isn't getting enough nutrients—especially nitrogen. PetraMax 16-4-8 delivers quick-release nitrogen to revive those thin or yellow spots fast, while the slow-release nitrogen keeps feeding your lawn between applications. Over time, you'll see more even growth and better overall coverage.
Most lawns show visible green-up within a few days thanks to the fast-acting nitrogen. You'll continue seeing improvements in thickness, color, and overall health over the following weeks as the slow-release nutrients keep working in the soil.
Absolutely. If your lawn is showing clear signs of nitrogen deficiency—like pale color or sluggish growth—you can increase the dilution rate to give it a stronger feeding. That means you can use the same product for both routine maintenance and corrective care when your lawn needs extra help.
For the best results, apply every 2–4 weeks with at least 14 days between applications. Once your lawn reaches a healthy condition, you can back off on frequency and apply only as needed to maintain that consistent color and growth.
Yes. PetraMax is completely safe for pets once it dries. Just keep them off the lawn until the application has fully dried—usually a few hours, depending on weather conditions.
NOT SURE HOW MUCH YOU NEED?
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