---
product_id: 325417931
title: "Petramax Liquid Nitrogen Fertilizer 28-0-0 NPK - 32 Oz Spring & Summer Liquid Grass Fertilizer for Lawn, Spray on Easy to Apply for Deep Green Lawn Care - Slow Release High Nitrogen Turf Builder"
brand: "petra"
price: "VT15567"
currency: VUV
in_stock: true
reviews_count: 13
category: "Petra"
url: https://www.desertcart.vu/products/325417931-petramax-liquid-nitrogen-fertilizer-28-0-0-npk-32-oz
store_origin: VU
region: Vanuatu
---

# 70% quick + 30% slow release N 28% ultra-high nitrogen boost 32 oz easy spray-on liquid Petramax Liquid Nitrogen Fertilizer 28-0-0 NPK - 32 Oz Spring & Summer Liquid Grass Fertilizer for Lawn, Spray on Easy to Apply for Deep Green Lawn Care - Slow Release High Nitrogen Turf Builder

**Brand:** petra
**Price:** VT15567
**Availability:** ✅ In Stock

## Summary

> 🌿 Turn your lawn into the envy of the neighborhood—green, thick, and unstoppable!

## Quick Answers

- **What is this?** Petramax Liquid Nitrogen Fertilizer 28-0-0 NPK - 32 Oz Spring & Summer Liquid Grass Fertilizer for Lawn, Spray on Easy to Apply for Deep Green Lawn Care - Slow Release High Nitrogen Turf Builder by petra
- **How much does it cost?** VT15567 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/325417931-petramax-liquid-nitrogen-fertilizer-28-0-0-npk-32-oz)

## Best For

- petra enthusiasts

## Why This Product

- Trusted petra brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rapid Green-Up Power:** Ultra-high 28-0-0 NPK formula delivers instant lushness and thick turf.
- • **Effortless Application:** Mix and spray with ease; covers up to 12,800 sq. ft. for maintenance or 6,400 sq. ft. for recovery.
- • **Trusted American Quality:** Family-owned USA brand with 100% satisfaction guarantee and expert customer support.
- • **Dual-Action Nitrogen Release:** 70% quick-release for fast results, 30% slow-release for sustained growth.
- • **Universal Grass Compatibility:** Perfect for all grass types—warm or cool season, new or established lawns.

## Overview

Petramax Liquid Nitrogen Fertilizer is a premium 28-0-0 NPK liquid turf builder designed for rapid and sustained lawn greening. Featuring a scientifically balanced 70% quick-release and 30% slow-release nitrogen formula, it promotes fast recovery and long-term health for all grass types. Easy to apply with a simple spray-on method, this 32 oz bottle covers up to 12,800 sq. ft., making it ideal for both maintenance and nitrogen-deficient lawns. Proudly made by a family-owned USA company, it comes with a satisfaction guarantee and dedicated customer support.

## Description

Built Rock Solid We empower DIYers to achieve professional results PetraTools is a family-owned American business. Our mission is to empower DIY'ers to achieve Professional Results with Superior Products. We love our yards and outdoor spaces and having the right tools needed to make them beautiful! Whatever you do, the PetraTools team is 100% committed to helping you achieve results you can be proud of! PetraTools is a family-owned American business. Our mission is to empower DIY'ers to achieve Professional Results with Superior Products. We love our yards and outdoor spaces and having the right tools needed to make them beautiful! Whatever you do, the PetraTools team is 100% committed to helping you achieve results you can be proud of! Where are you guys located? Our headquarters is located in Carlisle, Pennsylvania where our customer support team is always waiting to help. What happens if my product breaks or gets damaged? We offer free returns and warranties on our products. If you ever have a problem, simply call our 800# and our friendly team will take care of it for you - GUARANTEED! How do I contact your company if I have a question or issue? Our team is here to help you with any questions or concerns. Give us a call toll-free at (800) 613-6889, Mon - Fri | 9am - 6pm EST. Where are you guys located? Our headquarters is located in Carlisle, Pennsylvania where our customer support team is always waiting to help. What happens if my product breaks or gets damaged? We offer free returns and warranties on our products. If you ever have a problem, simply call our 800# and our friendly team will take care of it for you - GUARANTEED! How do I contact your company if I have a question or issue? Our team is here to help you with any questions or concerns. Give us a call toll-free at (800) 613-6889, Mon - Fri | 9am - 6pm EST. Shop PetraTools Visit the Store Shop PetraTools Visit the Store PetraTools Our premium sprayer line from small, compact sprayers to large wheeled sprayers PetraTools Our premium sprayer line from small, compact sprayers to large wheeled sprayers PetraMax Lawn solutions for lawn care, soil treatment, and plant care PetraMax Lawn solutions for lawn care, soil treatment, and plant care

Review: Pretty pretty good - Brother-in-law recommended to me, added it to my lawn and all, unfortunately, I have three different types of grass, however, they all exaggerated, nice green coloring.
Review: Lawn care - Works great

## Features

- ULTIMATE LIQUID NITROGEN FERTILIZER: This liquid lawn food supplement has an ultra-high nitrogen formula to promote green grass and quick growth. Easily turn yellow & nitrogen deficient grass into a lush thick green!
- 28-0-0 QUICK & SLOW RELEASE TECHNOLOGY: This 2-in-1 liquid lawn fertilizer formula provides 70% quick-release nitrogen for rapid green and growth and 30% slow-release nitrogen for ongoing growth between applications.Get the best of both worlds in 1 easy application.
- WORKS WITH ALL GRASS TYPES: Whether you have warm- or cold-season grass, this is the perfect liquid grass food for quick green-up. It's super-effective in making your lawn green and to achieve consistent growth. Ideal for both new and old lawns.
- Apply Nitrogen to Your Lawn Quickly: PetraTools created our NPK lawn booster to be simple and easy to use. Mix 5oz of liquid nitrogen per gallon of water for maintenance or 10 oz per gallon to correct nitrogen levels. Treats up to 12,800 Sq. Ft. for maintenance or 6,400 Sq. Ft. of nitrogen deficient grass. For best results, use a PetraTools sprayer to evenly spray mixture across lawn.
- American Family-Owned Company & USA Support: PetraTools is a USA-based company located in Carlisle, Pennsylvania. All PetraTools products have a 100% satisfaction guarantee and excellent USA customer service members waiting by the phones to answer any questions you may have. PetraTools continues to work hard to deliver top-quality sprayers & solutions to keep your home, lawn, and places of business clean, green, and safe.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B095BTZPYD |
| Best Sellers Rank | #14,358 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #521 in Garden Fertilizers |
| Brand | Petra |
| Brand Name | Petra |
| Coverage | Full |
| Customer Reviews | 4.4 out of 5 stars 913 Reviews |
| Included Components | Fertilizer |
| Item Form | Liquid |
| Item Weight | 32 Ounces |
| Liquid Volume | 32 Fluid Ounces |
| Manufacturer | Petra |
| Mixing Ratio | 1:20 or 1:10 |
| Model Number | CRG/EY-7481FWS |
| Number of Items | 1 |
| Part Number | 0-01 |
| Specific Uses For Product | Lawn,Lawns |
| Target Species | grass types |
| UPC | 850029123415 |
| Unit Count | 128.0 Fluid Ounces |

## Product Details

- **Brand:** Petra
- **Item Weight:** 32 Ounces
- **Item Form:** Liquid
- **Liquid Volume:** 32 Fluid Ounces
- **Specific Uses For Product:** Lawn,Lawns

## Images

![Petramax Liquid Nitrogen Fertilizer 28-0-0 NPK - 32 Oz Spring & Summer Liquid Grass Fertilizer for Lawn, Spray on Easy to Apply for Deep Green Lawn Care - Slow Release High Nitrogen Turf Builder - Image 1](https://m.media-amazon.com/images/I/81r6Hwbd69L.jpg)
![Petramax Liquid Nitrogen Fertilizer 28-0-0 NPK - 32 Oz Spring & Summer Liquid Grass Fertilizer for Lawn, Spray on Easy to Apply for Deep Green Lawn Care - Slow Release High Nitrogen Turf Builder - Image 2](https://m.media-amazon.com/images/I/A1guqhfdDyL.jpg)
![Petramax Liquid Nitrogen Fertilizer 28-0-0 NPK - 32 Oz Spring & Summer Liquid Grass Fertilizer for Lawn, Spray on Easy to Apply for Deep Green Lawn Care - Slow Release High Nitrogen Turf Builder - Image 3](https://m.media-amazon.com/images/I/81n7ingHdeL.jpg)
![Petramax Liquid Nitrogen Fertilizer 28-0-0 NPK - 32 Oz Spring & Summer Liquid Grass Fertilizer for Lawn, Spray on Easy to Apply for Deep Green Lawn Care - Slow Release High Nitrogen Turf Builder - Image 4](https://m.media-amazon.com/images/I/91dxF9UQ4nL.jpg)
![Petramax Liquid Nitrogen Fertilizer 28-0-0 NPK - 32 Oz Spring & Summer Liquid Grass Fertilizer for Lawn, Spray on Easy to Apply for Deep Green Lawn Care - Slow Release High Nitrogen Turf Builder - Image 5](https://m.media-amazon.com/images/I/91BvvHNpOrL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Pretty pretty good
*by G***G on April 7, 2026*

Brother-in-law recommended to me, added it to my lawn and all, unfortunately, I have three different types of grass, however, they all exaggerated, nice green coloring.

### ⭐⭐⭐⭐⭐ Lawn care
*by T***W on April 16, 2026*

Works great

### ⭐⭐⭐⭐ Worth the money.
*by R***G on April 25, 2026*

Easy to mix in my 30 gallon sprayer. Lawn greened up quickly. Will use it again.

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-21*