Epsom salt dosage!!

How to grow indoor marijuana, Hydroponic marijuana growing systems. Grow lights, Rockwool systems, DWC, NFT, Aeroponics, Organic etc

Im currently growing indoors, in soil. Was wondering what the epsom salt dosage is?? My BioBizz feeding schedule says 1 tablespoon(approx 17grams) per 10litre's of water. Whereas my Vitax Epsom salts says 20grams per litre!!

Any help please??

P.S Hi All!! :grin:

i am currently using 1/2 tablespoon per gallon, just remember to flush your soil cause these salts seem to build up faster in your soil than regular nutes do

Frizz, a half a tbs per gallon may be a lil too much, ya dig.. Normally, you should use maybe a tsp or 2 per gallon in every other watering and only if needed. Epsom salt is not really salt at all. It's raw magnesium. I would only suggest epsom all the time if you're using ro water. Too much magnesium can lock out other things. Keep that in mind... :reefer
O.L. Johnson once said, "It is best to be thought of as a dickhead, than to speak up and remove all doubt."

Only use it if they need it eg yellowing very early - helps if their is a build up of salts in the soil but this is usually late on- but use sparingly eg tablespoon a gallon at most.
Might as well enjoy yourself as you are a long time dead

good call vs. i am using ro water forgot to mention that

Epson salts is Magnesium Sulfate (MgSO4·7H2O). In Chemistry the term salts means ionic compounds composed of cations and anions (negative ions) so that the product is electrically neutral. Magnesium Sulfate is MgSO4·7H2O. The charges are Magnesium = 2+, Sulphur = 6+, Hydrogen 14+ and Oxygen is = 22-, therefore Magnesium Sulfate, MgSO4·7H2O has an electrical charge of zero so it is a salt.

The dosage varies due to the sil and ferts you use-- usually 1-2 tsp per gallon. and it is VERY hard to overdose at either of those dosages.

and you WILL want to flush your plants before harvest regardless of what you use...

ALL nutes contain different compounds AND SALTS that need to be flushed from the plant-- not doing so causes the green, hay-like smell in some pot, or harshness in the smoke.

Soil flush takes the last 2-3 weeks of flower to be 'complete" which lowers the yield.... I prefer an "emergency flush" the last 3 days before you harvest.

Emergency FLush Info : http://www.marijuanagrowing.eu/emergency-flushing-for-harvest-t21899.html?hilit=emergency%20flush

Mr O's Emergency flush tutorial: http://www.marijuanagrowing.eu/mr-o-s-how-too-emergency-flush-using-a-bubbler-t29346.html?hilit=emergency%20flush
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Through What we create- we are immortal.

Just to clarify you are saying 1 tsp = 1 tea spoon (approx 6ml UK or nearer 5ml USA) per gallon (UK and US gallon being different as well)?
'there was a young man named jobby,
who haboured an illicit hobby,
with renknowned growing fame,
he put our plants to shame,
that bright young man named jobby'

fatman7574 wrote:Epson salts is Magnesium Sulfate (MgSO4·7H2O). In Chemistry the term salts means ionic compounds composed of cations and anions (negative ions) so that the product is electrically neutral. Magnesium Sulfate is MgSO4·7H2O. The charges are Magnesium = 2+, Sulphur = 6+, Hydrogen 14+ and Oxygen is = 22-, therefore Magnesium Sulfate, MgSO4·7H2O has an electrical charge of zero so it is a salt.



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Epsom Salt should be mixed tbsp per gallon of water. Epsom Salt is Magnesium Sulfate. Epsom salt is a popular and well-reputed supplement in organic gardening. Helping to create lush green growth, Fruits, and healthy, vibrant greenery.

Epsom salt enhances fertilizer and soil’s capabilities to bring a deeper level of vitality to your garden’s composition. Magnesium is beneficial to plants from the beginning of their life, right when the seed begins to develop. It assists with the process of seed germination; infusing the seed with this important mineral and helping to strengthen the plant cell walls, so that the plant can receive essential nutrients.

Magnesium also plays a crucial role in photosynthesis by assisting with the creation of chlorophyll, used by plants to convert sunlight into food. In addition, it is a wonderful help in allowing the plant to soak up phosphorus and nitrogen, which serve as vital fertilizer components for the soil.

Magnesium is believed to bring more flowers and fruit to your garden, increasing the bounty as well as the beauty of your space.

Sulfate, a mineral form of sulfur found in nature, is an equally important nutrient for plant life. Sulfate is essential to the health and longevity of plants, and aides in the production of chlorophyll. It joins with the soil to make key nutrients more effective for plants, including nitrogen, phosphorus and potassium. Sulfate works in conjunction with Magnesium to create a “vitamin” full of minerals, nourishment and health benefits for your garden.

Hope this helps you better understand why and how epsom salt is useful in your garden especially if your growing organically, which you should be!

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