SKU: 66269955840
magnesium plant fertilizer

magnesium plant fertilizer Magnesium Sulfate Epsom Salts

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Description

magnesium plant fertilizer Magnesium Sulfate Epsom SaltsMagnesium Sulfate Epsom Salt Fertilizer OMRI Listed Water soluble Magriculture Epsom salt fertilizer supplies 9. 8% magnesium and 12. 9% sulfur for crop nutrition, fertigation, foliar sprays, and soil programs. Magriculture Magnesium Sulfate Heptahydrate Epsom Salt Fertilizer is an agricultural grade, water soluble source of magnesium and sulfur designed for professional plant nutrition programs. Formulated as magnesium sulfate heptahydrate, MgSO7HO,

Magnesium Sulfate Epsom Salt Fertilizer | OMRI Listed

Water-soluble Magriculture Epsom salt fertilizer supplies 9.8% magnesium and 12.9% sulfur for crop nutrition, fertigation, foliar sprays, and soil programs.

Magriculture Magnesium Sulfate Heptahydrate Epsom Salt Fertilizer is an agricultural-grade, water-soluble source of magnesium and sulfur designed for professional plant nutrition programs. Formulated as magnesium sulfate heptahydrate, MgSO₄·7H₂O, this 50 lb bag provides essential secondary nutrients that support healthy crop development, chlorophyll production, photosynthesis, and balanced plant metabolism.

With a guaranteed analysis of 9.8% water-soluble magnesium and 12.9% sulfur, Magriculture Epsom Salt is a practical choice for growers who need a clean, soluble magnesium and sulfur supplement for soil, fertigation, drip irrigation, center pivot, micro-jet, foliar spray, greenhouse, hydroponic, nursery, turf, and field-crop programs. It is especially useful when soil or tissue testing indicates a magnesium or sulfur need, or when crops are grown in sandy soils, low-CEC soils, or nutrient programs with high potassium or ammonium-nitrogen levels.

Magriculture Magnesium Sulfate Heptahydrate dissolves readily in water, making it suitable for liquid feeding systems and compatible nutrient programs when used according to label directions and professional recommendations. The product is OMRI Listed for organic use and packaged in a professional 50 lb / 22.7 kg bag for farms, greenhouses, nurseries, hydroponic growers, and commercial crop operations.

Key Benefits

Feature Grower Benefit
9.8% Magnesium, water soluble Supplies available magnesium for chlorophyll formation and photosynthesis
12.9% Sulfur Supports sulfur nutrition for plant metabolism, enzymes, and protein formation
Magnesium Sulfate Heptahydrate Classic Epsom salt fertilizer form, MgSO₄·7H₂O
Highly water soluble Works well in fertigation, foliar spray, hydroponic, and liquid-feed programs
OMRI Listed Suitable for organic production when used according to applicable restrictions
50 lb professional bag Ideal size for farms, nurseries, greenhouses, turf managers, and commercial growers
Made in USA Produced for reliable agricultural and plant-nutrition use

Product Specifications

Specification Details
Product Name Magriculture Magnesium Sulfate Heptahydrate Epsom Salt Fertilizer
Brand Magriculture / Giles Chemical
Chemical Name Magnesium Sulfate Heptahydrate
Common Name Epsom Salt Fertilizer
Formula MgSO₄·7H₂O
CAS Number 10034-99-8
Net Weight 50 lb / 22.7 kg
Magnesium Analysis 9.8% Mg, minimum
Water-Soluble Magnesium 9.8% Mg
Sulfur Analysis 12.9% S, minimum
Ingredient Magnesium Sulfate Heptahydrate
Organic Use OMRI Listed
Country of Origin Made in USA
UPC 0-62835-02250-5

Nutrient Content Chart

Nutrient Guaranteed Analysis Approx. Nutrient Per 50 lb Bag
Magnesium, Mg 9.8% min. 4.9 lb Mg
Sulfur, S 12.9% min. 6.45 lb S

Recommended Use Areas

Application Type Best Fit
Fertigation Center pivot, drip/trickle, micro-jet, and liquid nutrient programs
Foliar Spray Supplemental magnesium and sulfur feeding when appropriate
Hydroponics Water-soluble nutrient programs requiring Mg and S
Soil Application Fields, gardens, turf, and crop areas with confirmed Mg or S need
Greenhouse & Nursery Controlled growing environments needing soluble secondary nutrients
Organic Crop Programs Use according to OMRI/NOP restrictions and grower certification requirements

Best-Practice Application Guidance

Use Magriculture Magnesium Sulfate Heptahydrate as part of a complete crop nutrition program. Application rates can vary by crop, soil type, climate, irrigation method, and existing nutrient levels. For best results, base application on soil testing, tissue analysis, crop requirements, and local agricultural recommendations.

Dissolve thoroughly in water before fertigation, foliar, or hydroponic use. When combining with other fertilizers or soluble nutrients, perform a small compatibility test before mixing large batches. Store sealed in a dry area and protect from extreme temperature and humidity.

Important Note

This product is a magnesium and sulfur supplement, not a complete NPK fertilizer. It should be used when magnesium or sulfur is needed as part of a balanced fertility program. Always follow label directions and professional agronomic recommendations.

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SKU: 66269955840

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Mr. & Mrs. Us
Belleville, US
★★★★★ 5
Affordable, Clean and does the job.
Size: 36 sqft, Size: 36 sqft
I consumed about 90% of this box doing all doors and the tailgate on a 2000 tahoe. I applied it very liberally inside every door (exteror) panel. We then added an almost equal amount of deadening/absorbing/decoupling foam to the other side of the door (panel side). If you know how many rattles a circa 2000 tahoe GMT800 can have by now, you can appreciate why I added this as a "must" if i were to put some money back into this vehicle. Best sub $150 spent on this mini resto so far, right next to tint. Good quality. Not to thick or thin. Good sized sheets. Seamed to deaden as good as another slightly thicker material i recently used in my F250. My box was delivered with no issues of melting or anything funky. Clean, no major smell before or after and easy to work with. Maybe buy a roller set and wear gloves. Save your hands if your doing inside of panels. Good buy. Will buy more for future projects.
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Reviewed in the United States on February 17, 2026
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Todd G. Teiken
Chelsea, US
★★★★★ 5
Great product
Size: 36 sqft
Easy to apply, made a big difference in sound deadening on side by side. Would definitely purchase again.
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Reviewed in the United States on June 1, 2026
B
Verified Purchase
B. Billy
Dallas, US
★★★★★ 5
AS GOOD AS ANY OTHER, WORKS GREAT
Size: 36 sqft, Size: 36 sqft
Used this in my 17 RAM 1500. This stuff works great, just as good as S...ss brand that is also sold on here. Same thickness and same tackiness. And this stuff sticks like crazy, once its laid down and rolled onto the surface, it is hard to remove, so I am pretty sure it will stay where I installed it. It is great value, one box was enough to do the whole roof of the truck with a little left over for small spots. I think it took a total of 2.5 boxes to do my whole crew cab, roof, floor and back wall and most of the firewall, and I also added a layer of their .25" foam. I do notice a difference in less outside noise, from wind and road. I will be doing my wife car soon, and this is the product I will be using again, I recommend this.
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Reviewed in the United States on January 14, 2026
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AF_TX
Houston, US
★★★★★ 5
Dyna... who?
Size: 36 sqft
This stuff works great. Fraction of the cost to Dyna.. and just as good. Very sticky. Used in doors, floors and ceiling. Great product and performs flawlessly. I would highly recommend this.
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Reviewed in the United States on March 13, 2026
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Jacob C. Hall
Battle Creek, US
★★★★★ 4
Awesome, inexpensive alternative to name-brands!
Size: 36 sqft
Awesome. Stuck well with alcohol prep and time to let liquid flash-off. Very consistent, piece to piece. Backing peeled easily when desired. Compared to Amazon Basics, the butyl seemed a little thicker (infinitesimally) and stickier, foil was less thick than Amazon Basics. Very good value. Started with my nice car, but after completing project, sound dampened all cars in the immediate family it made such a noticeable difference in sound level and quality of music from soeakers. Recommended!
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Reviewed in the United States on October 21, 2025

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