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FCO Registered Mineral Category

Magnesium Sulphate Manufacturer & Bulk Exporter in India

Auron Fertilizers is India's trusted manufacturer, wholesale supplier, and exporter of high-purity Magnesium Sulphate Heptahydrate (9.6% Mg, 12% S) based in Ahmedabad, Gujarat, India. 100% water-soluble translucent Epsomite crystals engineered for precision greenhouse fertigation, hydroponics, and foliar feeding.

Soil BroadcastingFoliar FertigationNPK Dry BlendingDrip Systems
Magnesium Sulphate - Photo 1
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Chemical Formula

MgSO4 · 7H2O

CAS Registry Number

10034-99-8

Manufacturing Standard

FCO 1985 Schedule I · ISO 9001
Direct Comparison Matrix · FCO 1985 Schedule I

Compare Available Magnesium Sulphate Grades

Side-by-side analysis of elemental purity, physical particle geometry, and application protocols to help you choose the exact grade for your facility.

Custom Spec?
Magnesium Sulphate Heptahydrate (Epsomite Agri Grade)
FCO GradeCAS: 10034-99-8

Magnesium Sulphate Heptahydrate (Epsomite Agri Grade)

Free-Flowing Crystals
Guaranteed Chemical Assay
Active Sulphur12.0% min
S
Primary Agronomic / Industrial Application

Hydroponics, greenhouse drip fertigation, foliar spray, soil broadcasting, animal nutrition.

Standard Packaging:
25 kg / 50 kg HDPE bags with inner liner, 1000 kg Jumbo Bags
Every grade manufactured under certified ISO 9001:2015 & statutory FCO 1985 Schedule I analytical standards.
Factory Dispatches: Mundra & Kandla Ports, Gujarat

Technical Spec Sheets & Lab Profiles

Click into any grade profile below for spectrometry analysis curves, heavy-metal breakdown, and container packing limits.

Magnesium Sulphate Heptahydrate (Epsomite Agri Grade)
Pure GradeAssay: 9.6% min Magnesium (as Mg), 12.0% min Sulphur (as S)

Magnesium Sulphate Heptahydrate (Epsomite Agri Grade)

Hydroponics, greenhouse drip fertigation, foliar spray, soil broadcasting, animal nutrition.

Packaging:25 kg / 50 kg HDPE bags with inner liner, 1000 kg Jumbo Bags
Application:Soil: 15 to 25 kg per acre. Foliar: 5g per liter. Fertigation: 1 to 2 kg per 1000L water tank.
Procurement Guidance

Frequently Asked Questions

Our Magnesium Sulphate Heptahydrate contains a guaranteed minimum of 9.6% elemental Magnesium (as Mg) and 12.0% Sulphur (as S), with water-insoluble matter below 0.05% and pH in the ideal neutral 7.0–8.0 range.

Magnesium is the central atom in the chlorophyll molecule. Without adequate bioavailable magnesium, crops experience interveinal chlorosis and reduced photosynthetic capacity, directly limiting crop yield and sugar production.

We provide 25 kg, 50 kg HDPE bags with heavy-gauge moisture-proof liners, and 1000 kg Jumbo Bags for commercial fertigation and dry blending operations.

Direct Factory Pricing

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