Micronutrients & Minerals
Magnesium Sulphate (Epsom Salt)
A source of magnesium and sulphur, not a complete fertilizer.
Explore the guideMicronutrients & Minerals
Match this name to your package.01 / UNDERSTAND
What is Magnesium Sulphate (Epsom Salt)?
A source of magnesium and sulphur, not a complete fertilizer.
Start with the right purpose
Use for a confirmed magnesium need or a formulated nutrient programme.
Before you begin
Use for an identified magnesium need. It is not a calcium source or a blossom-end rot treatment. Do not mix sulphates with calcium in concentrated stock solutions.
02 / MEASURE
How much to apply
Amounts from the supplied product instructions.
SUPPLIED APPLICATION RATE
Dissolve 5 g (1 tsp) in 4 L (1 gal) of water. Apply as a soil drench or foliar spray every 2–4 weeks during the growing season.
Source: Guide_Magnesium Sulphate (Epsom Salt).pdf. These are the supplied guide’s rates, not independently verified manufacturer directions. Follow the exact product label if it differs.
03 / APPLY
How to apply
Directions from the supplied product guide.
Dissolve 5 g (1 tsp) in 4 L (1 gal) of water. Apply as a soil drench or foliar spray every 2–4 weeks during the growing season.
Use for an identified magnesium need. It is not a calcium source or a blossom-end rot treatment. Do not mix sulphates with calcium in concentrated stock solutions.
04 / TIMING
When to apply
Use when magnesium deficiency is suspected or as part of a regular feeding program for magnesium-demanding plants such as tomatoes, peppers, roses, and citrus.
Use the interval stated in the supplied directions above. Where none is specified, follow the exact product label.
Record the amount and application date. Consider your growing conditions before repeating.
05 / GOOD HABITS
Tips & things to avoid
Helpful habits
- Use for a confirmed magnesium need or a formulated nutrient programme.
- Keep the package label and record the date, amount and method used.
- Use for an identified magnesium need. It is not a calcium source or a blossom-end rot treatment. Do not mix sulphates with calcium in concentrated stock solutions.
Things to avoid
- Do not choose an amount from the product name alone; confirm the formulation and intended use.
- Do not transfer the dose or interval from a different product.
- Do not treat a general guide as a substitute for the exact product label.
06 / QUICK ANSWERS
Common questions
How do I choose the amount?
Use the supplied amounts in the dosage panel above for the stated application. Match the product and growing method to your package.
What should I check first?
Use for a confirmed magnesium need or a formulated nutrient programme.
Can I repeat the same application?
Follow the repeat interval in the supplied directions, where stated, and check the exact product label.
What needs particular care with this product?
Use for an identified magnesium need. It is not a calcium source or a blossom-end rot treatment. Do not mix sulphates with calcium in concentrated stock solutions.
Sources and rate verification
Based on your saved instructions: Guide_Magnesium Sulphate (Epsom Salt).pdf. The saved review does not verify an exact product dose. These references support general principles, not manufacturer approval.
Removed routine feeding advice for tomatoes, peppers and roses and the generic drench/foliar dose. Epsom salt does not supply calcium or treat blossom-end rot. Do not assume concentrate compatibility.
07 / RELATED GUIDES
Explore other product guides
Compare purposes before choosing a product. These are not instructions to combine products.
GROW BETTER. TOGETHER.
Need help with this product?
Tell us what you are growing and send the product label so we can help you find the right instructions.