---
product_id: 41094134
title: "Epsom Salt (Magnesium Sulfate) Fertilizer, 10 pounds by GreenSense"
brand: "magriculture"
price: "$52"
currency: NZD
in_stock: false
url: https://www.desertcart.nz/products/41094134-epsom-salt-magnesium-sulfate-fertilizer-10-pounds-by-greensense
store_origin: NZ
region: New Zealand
---

# Epsom Salt (Magnesium Sulfate) Fertilizer, 10 pounds by GreenSense

**Brand:** magriculture
**Price:** $52
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Epsom Salt (Magnesium Sulfate) Fertilizer, 10 pounds by GreenSense by magriculture
- **How much does it cost?** $52 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/41094134-epsom-salt-magnesium-sulfate-fertilizer-10-pounds-by-greensense)

## Best For

- magriculture enthusiasts

## Why This Product

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

## Description

This product is bagged from Giles Chemical, a division of Premier Magnesia, Magriculture brand agricultural-grade magnesium sulfate heptahydrate (MgSO4•7H2O). It is not USP (United States Pharmacopeia) grade Epsom salt for human use. Epsom Salt can be manufactured from natural sources or from chemical precursors. It is named for the town of Epsom in Surrey England which has a bitter saline spring where the salt was first produced. Both magnesium and sulfur are important plant nutrients. Magnesium is at the center of the chlorophyll molecule. It is part of enzymes used in the creation and transport of cellular energy with the ATP molecule and in the creation of RNA and DNA molecules along with many other enzymatic processes. Sulfur is sometimes called the fourth major plant nutrient after Nitrogen, Phosphate, and Potassium, the NPK values on fertilizers. Acid rain supplies much of soil sulfur, but with heavy harvesting and better emission controls, more sulfur can beneficial. The main use Epsom salt in horticulture is for a magnesium soil supplement. Most magnesium deficient soils are acidic sandy soils that allow the mineral to be leached out. Heavy clay soils can also be deficient. In clay soils the ratio of calcium, potassium, and magnesium is critical in ensuring each mineral can be free to be taken up by plant roots. A soil test is the only way to know how much you need. Epsom Salt is often used for potatoes, roses, tomatoes, and peppers. Due to its dissolvability, it is an excellent foliar spray and may work better than a soil drench in avoiding the soil chemistry problems. Its dissolvability means it will not build up in the soil, but it will not last long in the soil either. Keep your levels of organic matter in the soil high with regular top dressing of compost. One benefit of compost humus is holding high levels of minerals including magnesium in loose chemical bonds that plants can use. Analysis: Magnesium: 9.8% (min.) Sulfur: 12.9% (min

## Features

- OMRI certified (Organic Materials Review Institute) for organic programs.
- FDA GRAS (Generally Regarded As Safe) approved as a food additive for animal feed. Safe for plants and animals.
- Safe Feed/Safe Food Certified: a voluntary, independently certified program to supply standards to maximize livestock feed safety.
- Epsom Salt has a neutral pH.
- It is easily dissolved in water. Will not burn plants if over used.

## Images

![Epsom Salt (Magnesium Sulfate) Fertilizer, 10 pounds by GreenSense - Image 1](https://images-na.ssl-images-amazon.com/images/I/51a7zk3kMuL.jpg)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-14*