---
product_id: 326352756
title: "Petramax Liquid Nitrogen Fertilizer 28-0-0 NPK - 1 Gallon 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: "743 zł"
currency: PLN
in_stock: true
url: https://www.desertcart.pl/products/326352756-petramax-liquid-nitrogen-fertilizer-28-0-0-npk-1-gallon
store_origin: PL
region: Poland
---

# Covers 25,600 Sq. Ft. 1 Gallon Volume 1:20 Mixing Ratio Petramax Liquid Nitrogen Fertilizer 28-0-0 NPK - 1 Gallon 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:** 743 zł
**Availability:** ✅ In Stock

## Summary

> 🌿 Unleash the Green: Your Lawn's Best Friend!

## Quick Answers

- **What is this?** Petramax Liquid Nitrogen Fertilizer 28-0-0 NPK - 1 Gallon 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?** 743 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/326352756-petramax-liquid-nitrogen-fertilizer-28-0-0-npk-1-gallon)

## 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

- • **Easy to Use:** Simply mix and spray for a hassle-free lawn care experience.
- • **Ultimate Green-Up:** Transform your lawn into a lush paradise with our ultra-high nitrogen formula!
- • **Versatile Application:** Perfect for all grass types, ensuring consistent growth year-round.
- • **Dual Release Technology:** Experience rapid greening with 70% quick-release and 30% slow-release nitrogen.
- • **American Quality Assurance:** Proudly made in the USA with a satisfaction guarantee!

## Overview

Petramax Liquid Nitrogen Fertilizer 28-0-0 NPK is a premium 1-gallon liquid lawn food designed to promote rapid greening and growth in all grass types. With a unique 2-in-1 formula featuring both quick and slow-release nitrogen, it ensures your lawn stays lush and vibrant. Easy to apply and backed by American quality, this fertilizer treats up to 25,600 square feet, making it the ideal choice for both new and established lawns.

## Description

Petramax Liquid Nitrogen Fertilizer 28-0-0 NPK - 1 Gallon Spring & Summer Liquid Grass Fertilizer for Lawn, Spray on Easy to Apply for Deep Green Lawn Care - Slow Release High Nitrogen Turf Builder

## 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 25,600 Sq. Ft. for maintenance or 12,800 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 |
|---------------|-------|
| Liquid Volume | 1 Gallons |
| Item Weight | 5 Ounces |
| Mixing Ratio | 1:20 or 1:10 |
| Specific Uses For Product | Lawn,Lawns |
| Target Species | plants |
| Coverage | Full |
| Item Form | Liquid |

## Product Details

- **Brand:** Petra
- **Item Weight:** 5 Ounces
- **Item Form:** Liquid
- **Liquid Volume:** 128 Fluid Ounces
- **Specific Uses For Product:** Lawn,Lawns

## Images

![Petramax Liquid Nitrogen Fertilizer 28-0-0 NPK - 1 Gallon 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/81l+IUfYfEL.jpg)

## Available Options

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

## Frequently Bought Together

- Petramax Liquid Nitrogen Fertilizer 28-0-0 NPK - 1 Gallon Spring & Summer Liquid Grass Fertilizer for Lawn, Spray on Easy to Apply for Deep Green Lawn Care - Slow Release High Nitrogen Turf Builder
- PetraTools Liquid Iron For Lawns - Chelated Iron, Liquid Iron for Plants, Liquid Lawn Fertilizer Concentrate Solutions, Chelated Iron for Plants, Lawn Iron Formula, EDTA-Free & Made In The USA (1 Gal)

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-01-29*