---
product_id: 17618951
title: "Tomato Fertilizer 4-18-38 Powder - Water Soluble with Chelated Micronutrients for Tomatoes Peppers Eggplant - Bigger Fruit Better Flavor - Hydroponics or Soil - 2 LB"
brand: "greenway biotech, inc."
price: "€ 88.39"
currency: EUR
in_stock: true
reviews_count: 8
category: "Greenway Biotech, Inc."
url: https://www.desertcart.fi/products/17618951-tomato-fertilizer-4-18-38-powder-water-soluble-with-chelated
store_origin: FI
region: Finland
---

# 4-18-38 NPK for max fruit yield 100% water soluble, no clog Chelated micronutrients, pH 4-9 stable Tomato Fertilizer 4-18-38 Powder - Water Soluble with Chelated Micronutrients for Tomatoes Peppers Eggplant - Bigger Fruit Better Flavor - Hydroponics or Soil - 2 LB

**Brand:** greenway biotech, inc.
**Price:** € 88.39
**Availability:** ✅ In Stock

## Summary

> 🍅 Grow Bold, Taste Better: Unlock Your Garden’s Full Flavor Potential!

## Quick Answers

- **What is this?** Tomato Fertilizer 4-18-38 Powder - Water Soluble with Chelated Micronutrients for Tomatoes Peppers Eggplant - Bigger Fruit Better Flavor - Hydroponics or Soil - 2 LB by greenway biotech, inc.
- **How much does it cost?** € 88.39 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/17618951-tomato-fertilizer-4-18-38-powder-water-soluble-with-chelated)

## Best For

- greenway biotech, inc. enthusiasts

## Why This Product

- Trusted greenway biotech, inc. brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Application:** Fully water-soluble powder dissolves instantly, perfect for drip irrigation, foliar sprays, and hydroponic systems—no clogging.
- • **Tested & Trusted Purity:** CDFA-registered and heavy metal tested to ensure safe, professional-grade nutrition for your garden.
- • **Versatile Nightshade Booster:** One formula supports all your nightshade crops—from heirloom tomatoes to hot peppers and potatoes—made in the USA since 1989.
- • **Precision NPK for Nightshades:** Optimized 4-18-38 formula fuels bigger, tastier tomatoes, peppers & eggplants without excess foliage.
- • **Chelated Micronutrients Power-Up:** Iron, Manganese, Zinc & Copper stay plant-available across pH 4-9, preventing nutrient lockout in soil & hydroponics.

## Overview

Greenway Biotech’s Tomato Fertilizer 4-18-38 is a professional-grade, water-soluble powder designed specifically for nightshade crops like tomatoes, peppers, and eggplants. Its high potassium content promotes larger fruit with enhanced flavor and shelf life, while low nitrogen prevents excessive leaf growth. The formula includes chelated micronutrients that remain available across a wide pH range, ideal for both soil and hydroponic systems. Independently tested and CDFA-registered, this 2 lb powder ensures purity and versatility for all your nightshade gardening needs.

## Description

desertcart.com : Greenway Biotech, Inc. Tomato Fertilizer 4-18-38 Powder - Water Soluble with Chelated Micronutrients for Tomatoes Peppers Eggplant - Bigger Fruit Better Flavor - Hydroponics or Soil - 2 LB : Patio, Lawn & Garden

Review: Tomatoes are in constant need of nourishment - The Biotech product is water soluble and can be applied in a dedicated pump up sprayer. Tomatoes have a relatively short growing season and are in constant need of replenishing nutrients and trace minerals to support such rapid growth and prolific fruit production. The NPK balance of the Biotech product ensures you do not get more N than P and K. Nitrogen is best applied as a Calcium Nitrate about every three weeks to help with growth as wells as prevention of blossom end rot due to calcium deficiency. The P and K help with fruit production and root development and are essential to producing a good crop.
Review: Great product ! - Bought this product late December 2017 along with a bag of nitrate and a carton of Epsom Salt. I am growing tomatoes in my little green house here in Orange County, CA. I use Home Depot 5 galleon buckets and fill it with pearlite. So far I am having the best success I have ever had. I am growing winter tomatoes along with Early Girl and am amazed at the amount of tomatoes and the health of the plants. No crunchy brown leaves, I take the companies suggestion to weigh the fertilizer and use,( as per the MPH Gardner formula, which is on Youtube ) 12 grams of the product along with 12 grams of the nitrate and 6 grams of Epsom Salts in 5 galleons of water....which gives you an 19-18-38 NPK. Obviously, I am very pleased and will continue to use the product to grow my veggies.

## Features

- NIGHTSHADE CROP FORMULA 4-18-38 POWDER — Engineered specifically for tomatoes, peppers, eggplants, and potatoes; very high potassium (38%) drives bigger fruit, better flavor, and longer shelf life while low nitrogen (4%) prevents excessive foliage that robs energy from fruit production
- COMPLETE MICRONUTRIENT PACKAGE INCLUDED — Contains Iron, Manganese, Zinc, and Copper in EDTA-chelated form plus Boron and Molybdenum; chelated metals stay plant-available across pH 4-9, helping prevent nutrient lockout in soil and hydroponic systems
- 100% WATER SOLUBLE & CLOG-FREE — Professional-grade powder dissolves completely in room temperature water; ideal for soil drench, foliar spray, drip irrigation, NFT, DWC, and Dutch bucket systems without clogging nozzles or drip lines
- TESTED FOR PURITY, CDFA REGISTERED — Every batch independently tested for heavy metals with results consistently well below required limits; registered with California Department of Food and Agriculture for professional and home grower confidence
- VERSATILE FOR ALL NIGHTSHADES — One formula for your entire nightshade garden: beefsteak, cherry, roma, grape, and heirloom tomatoes, bell and hot peppers, eggplants, potatoes, tomatillos, and ground cherries; Made in USA since 1989

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0134CAZTG |
| Best Sellers Rank | #91,608 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1,855 in Garden Fertilizers |
| Brand | Greenway Biotech, Inc. |
| Date First Available | July 23, 2015 |
| Is Discontinued By Manufacturer | No |
| Item Form | Powder |
| Item Weight | 2 pounds |
| Item model number | 7.01749E+11 |
| Liquid Volume | 2 Liters |
| Manufacturer | Greenway Biotech, Inc. |
| Number of Items | 1 |
| Product Dimensions | 10.5 x 6.7 x 2.8 inches |
| Specific Uses For Product | Hydroponic,Hydroponics |
| UPC | 701748873948 |
| Unit Count | 32.0 Ounce |

## Product Details

- **Brand:** Greenway Biotech, Inc.
- **Item Form:** Powder
- **Item Weight:** 2 Pounds
- **Liquid Volume:** 2 Liters
- **Specific Uses For Product:** Hydroponic,Hydroponics

## Images

![Tomato Fertilizer 4-18-38 Powder - Water Soluble with Chelated Micronutrients for Tomatoes Peppers Eggplant - Bigger Fruit Better Flavor - Hydroponics or Soil - 2 LB - Image 1](https://m.media-amazon.com/images/I/81rmvwgRenL.jpg)

## Questions & Answers

**Q: Any info on the conc. to use for hydroponic solution?**
A: I use 12 grams of this fertilizer with 12 grams of calcium nitrate, and 6 grams of Epsom salt  for every 5 gallons of water. In my hydroponic system. It works great.

**Q: Once mixed with water can this be sprayed on the tomato leaves?**
A: Yes, that's actually the best way to apply it.

**Q: Drip system in garden**
A: I have two gardens - an in ground raised bed with drip irrigation and a hydroponic tank with drip irrigation.  The fertilizer for the in-ground is hand fed by pouring around the roots but the hydroponic is on a timer pump for 3 timews a day.  Garden gets timer watered twice daily.  Hyfroponic out produces the raised bed by 4 times I'd say.  Both are fun.

**Q: Is this suitable to use in fertilizer injection systems using drip tape ?**
A: Yes, it is.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Tomatoes are in constant need of nourishment
*by P***N on May 17, 2023*

The Biotech product is water soluble and can be applied in a dedicated pump up sprayer. Tomatoes have a relatively short growing season and are in constant need of replenishing nutrients and trace minerals to support such rapid growth and prolific fruit production. The NPK balance of the Biotech product ensures you do not get more N than P and K. Nitrogen is best applied as a Calcium Nitrate about every three weeks to help with growth as wells as prevention of blossom end rot due to calcium deficiency. The P and K help with fruit production and root development and are essential to producing a good crop.

### ⭐⭐⭐⭐⭐ Great product !
*by C***S on February 10, 2018*

Bought this product late December 2017 along with a bag of nitrate and a carton of Epsom Salt. I am growing tomatoes in my little green house here in Orange County, CA. I use Home Depot 5 galleon buckets and fill it with pearlite. So far I am having the best success I have ever had. I am growing winter tomatoes along with Early Girl and am amazed at the amount of tomatoes and the health of the plants. No crunchy brown leaves, I take the companies suggestion to weigh the fertilizer and use,( as per the MPH Gardner formula, which is on Youtube ) 12 grams of the product along with 12 grams of the nitrate and 6 grams of Epsom Salts in 5 galleons of water....which gives you an 19-18-38 NPK. Obviously, I am very pleased and will continue to use the product to grow my veggies.

### ⭐⭐⭐⭐⭐ My favorite so far.
*by A***R on January 13, 2017*

I have used this for the past few months as a base for all plants in my hydroponic garden. It is easy to mix and completely dissolves without using alot of mixing. As a general nutrient, I add calcium nitrate and magnesium sulfate differently for each plant. PPM / EC results are very predictable and accurate as described on the instructions. My mixes vary from EC 0.8 to 4.5 and I can hit the mark every time. PH does not go wild with this, it usually finished between 5.8 and 6.1 using Reverse Osmosis water. I have to do very little if any adjustments to the PH. Many liquid nutrients required heavy adjustments, not this. The resealable bag is rugged and designed to stand up without tipping or ripping. They do have a bulk option which I just purchased 25 lbs of each, tomato and calcium nitrate. It's the best so far. I grow tomatoes, bell peppers, Lettuce, cucumbers and flowers with this as a base for my hand mixed nutrients. Greenway Biotech is now my vendor for my nutrients. High quality at a reasonable price. You can't beat that.

## Frequently Bought Together

- Greenway Biotech Tomato Fertilizer Powder 4-18-38 Plus Trace Minerals- 100% Water Soluble Includes Essential Chelated Micronutrients- (2 Pounds)
- Greenway Biotech Cucumber Fertilizer 8-16-36-100% Water Soluble Plus Chelated Micronutrients Suitable for Soil, hydroponics, and aeroponics - 1 Pound (Makes ~200 Gallons)
- Greenway Biotech Pepper & Herb Fertilizer 11-11-40 Powder with Micronutrients and Trace Minerals- 100% Water Soluble Fertilizers (1 Pound Makes 200 Gallons)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.fi/products/17618951-tomato-fertilizer-4-18-38-powder-water-soluble-with-chelated](https://www.desertcart.fi/products/17618951-tomato-fertilizer-4-18-38-powder-water-soluble-with-chelated)

---

*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-01-29*