What does Epsom salt do? What phase of life is it best to use?

I am growing in DWC hydroponics. Ever since my first grow, I started using epsom salts to correct what was presumed to be a sulfur deficiency. I still don't know if that was the correct solution, but the problem went away. Other than correcting a deficiency, if anyone can provide expertise, what do epsom salts do? Do they allow for more vigorous growth? Can they increase plant potency? And also, what phase of life is it best to use epsom salts? Can they make it more likely for my plants to be nutrient burned?

As you can see, I'm pretty clueless on the topic. But I continue to feed my plants epsom salts mostly just because I have them. I feel like it does something, but not sure if I should be feeding them through flower.

Anyone use them? Let me know!!
 

Jim Haddar

Well-Known Member
Epsom salts are a convenient remedy for magnesium deficiency. If you have rose bushes that look like hell and you have tried fertilizer and it doesn’t seem to be working, you can throw epsom salts at them and half the time they will be better looking in a few days.

The best thing about epsom salts is that magnesium washes away quickly so it’s not likely to build up to toxic levels. You probably won’t kill anything if you try giving it epsom salts.
 

ProPheT 216

Well-Known Member
They r not a source of a healthy diet or balanced nutrition. Most ferts have both those elements in it already, most add for more or to customize their mix. A little less grow A but 2 grams Epsom... ect
 

Wastei

Well-Known Member
Epsom salt provides Magnesium and Sulfur. The best is to use the same mix of nutrients and ratio of minerals throughout the grow. Find a formula that works well and adjust strength as the plant grows.

There's no best time to add epsom since you should use the same Calcium to Magnesium ratio throughout the grow.

You will find Epsom salt listed as an ingredients in most nutrient formulas.

Cheers!
 
Epsom salt provides Magnesium and Sulfur. The best is to use the same mix of nutrients and ratio of minerals throughout the grow. Find a formula that works well and adjust strength as the plant grows.

There's no best time to add epsom since you should use the same Calcium to Magnesium ratio throughout the grow.

You will find Epsom salt listed as an ingredients in most nutrient formulas.

Cheers!
I am following the chart that general hydroponics provides. They don’t recommend using the same ratios of nutrients throughout.
It sounds like Epsom doesn’t shine best at any particular growth phase. Thanks for the feedback!
 
They r not a source of a healthy diet or balanced nutrition. Most ferts have both those elements in it already, most add for more or to customize their mix. A little less grow A but 2 grams Epsom... ect
I’m considering dropping my Epsom salt levels/cutting it out because I have a bit of burnt tips on my leaves. I’m not sure if this will help remedy the problem, but it sounds like an easy way to drop my PPM especially considering nutrient lockout. Hopefully I can add less of everything by cutting out the Epsom salts.
I’m sure it will be a good experiment, but it seems like the results will be difficult to observe, which is why I came here for advice. Thanks for the reply!
 

jimihendrix1

Well-Known Member
Magnesium, is one of the MOST IMPORTANT elements. Though, all of them are important.

Calcium, Magnesium, Sulfur, Sodium, and a couple others, are Secondary Essential Nutrients. Essential First Elements are NPK.

Magnesium, is an Electrolyte, and is the #1, most common of all Container Grown Plant/Weed Deficiencies. Its less now than it used to be, but is still a common deficiency.

Let yourself become Magnesium Deficient, and see what happens. Your cells, wont be able to communicate, correctly. Its the same, for plants. Mg, is crucial, for Photosynthesis. Also consider marijuana, is a Mg Hungry plant, and is needed, in every stage of growth.

Sulfur, is allegedly, a critical element for the production of Terpenes.

Its all about balance, and having just enough of everything, and not burn them up.
Mg, also isnt stored in the plant, and must have a constant source.


Sulfur is a semi-mobile secondary macronutrient cannabis plants use in large quantities to:
  • Maintain root health
  • Produce chlorophyll through photosynthesis
  • Metabolize nitrogen
  • Increase plants’ resistance to cannabis diseases
  • Enhance the growth of plants
How to Identify and Fix a Sulfur Deficiency in Weed Plants | i49 - I4…
i49.net/blog/sulfur-deficiency/
i49.net/blog/sulfur-deficiency/
 

Tolerance Break

Well-Known Member
To add to this, I forgot to add mag to Jacks formula for about a month in veg. The plant stopped growing and then turned a pale yellow all over. After realizing my fuck up and adding the mag, the plant gained color over night and returned to full health in 2 weeks. Wonderful learning experience.
 
This was some good information man. That link was very informative. Many people, myself included, see burnt tips and back off the nutes thinking the plant is getting burned, further exacerbating the issue. That’s what I’ve always read anyway.
 
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