Help please!

M

MCIce

Member
I’m still having issues with 2 of my 4 plants.
I thought last week it might be Magnesium deficiency, so I started spraying the leaves with water+epsom salt.
I watered yesterday with phed water (6.5)
Tap water is 130ppm (500 Scale)
Added Pure Blend Pro Grow Soil until at 650ppm
Then also added .5 - .75 tablespoons of epsom per gallon to the water.

My run off ph was 6.1 so I think my soil is probably around 5.5pH

I am growing in a mixture of Gaia Green living soil and Fox Farm happy frog under a 900 watt LED.

The plants appear much worse when under LED, the pictures I attached were outside my tent away from the LED.

I was thinking maybe still a Magnesium deficiency since I only started adding epsom to the water yesterday. But now am wondering if it’s a Nitrogen deficiency instead.

Should I give the epsom salt some more time or is it Nitrogen?

Also I have 2 plants that are Candida, one is fine and the other is the picture below.

Any help would be greatly appreciated!
 

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Coloradoclear

Coloradoclear

Well-Known Member
When does nature rain Epson salt? Let's get back to the basics. You are using soil that has nutrients built into it correct? The Gaia green website says there is enough nutrients in the soil to last two months . . . And happy frog is also an amended soil. So when you pour fertilizer on top of fertilizer containing soil you will most likely be over fertilizing. How often are you watering and how much? I have to wonder if you are over watering . . . Very common condition.
 
shawnery

shawnery

Well-Known Member
You definitely have a mg deficiency but the question is why?

It doesn't rain epsom salt but soil does supply mg.
 
M

MCIce

Member
Coloradoclear said:
When does nature rain Epson salt? Let's get back to the basics. You are using soil that has nutrients built into it correct? The Gaia green website says there is enough nutrients in the soil to last two months . . . And happy frog is also an amended soil. So when you pour fertilizer on top of fertilizer containing soil you will most likely be over fertilizing. How often are you watering and how much? I have to wonder if you are over watering . . . Very common condition.
Click to expand...
I water every 4 - 5 days, 1 Gallon per plant. Plants are in 5 gallon pots.
Should I flush them now to get some of the excessive nutrients out and then just give pHed water from now on? I could flush and then let the soil dry out completely.
 
M

MCIce

Member
shawnery said:
You definitely have a mg deficiency but the question is why?

It doesn't rain epsom salt but soil does supply mg.
Click to expand...
After reading some of the replies, I’m wondering if the mg is being locked out by an over abundance of other nutrients.
Do you think that could be a cause?
 
Coloradoclear

Coloradoclear

Well-Known Member
I would not flush. What you can do is water more often but with less water. This will help your plant burn through the abundance of nutrients in your pots. Just try shooting for optimal conditions. After a few weeks the plant will use all the remaining nutrients in the soil and you can resume a "every other watering fertilizer cycle". An example of this is using O.F. straight out of the bag. Plants will burn through the nutrients in that soil in about a month under 24 hour/veg lighting. Then you bring on the fertilizer at 1/2 strength and see how they react.
 
M

MCIce

Member
Coloradoclear said:
I would not flush. What you can do is water more often but with less water. This will help your plant burn through the abundance of nutrients in your pots. Just try shooting for optimal conditions. After a few weeks the plant will use all the remaining nutrients in the soil and you can resume a "every other watering fertilizer cycle". An example of this is using O.F. straight out of the bag. Plants will burn through the nutrients in that soil in about a month under 24 hour/veg lighting. Then you bring on the fertilizer at 1/2 strength and see how they react.
Click to expand...
I will do that

Thanks for the help, I appreciate it.
 
F

Fixed up

Well-Known Member
Beachwalker said:
what PPM are you feeding?
Click to expand...
That’s going to be key, especially since his soil already has a ton of nutrients in it.

I would water more often with less quantity like Colorado mentioned. When you water you are not only feeding but you are adding oxygen.
 
shawnery

shawnery

Well-Known Member
Give me your exact dosage of each nutrient per gallon and give me the percents of your mag sulf.

I'll calculate what your running.

Or you can download this program and try yourself but I don't mind doing it.

I might have missed it but how long have they been in the soil, since it has a half life?
 
M

MCIce

Member
shawnery said:
Give me your exact dosage of each nutrient per gallon and give me the percents of your mag sulf.

I'll calculate what your running.

Or you can download this program and try yourself but I don't mind doing it.

I might have missed it but how long have they been in the soil, since it has a half life?
Click to expand...
The recommended dose is 20ml/gallon, I used 15ml
Each plant received 1 Gallon of water
Plus around half a tablespoon of epsom salt per gallon
 

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M

MCIce

Member
Fixed up said:
That’s going to be way too much on top of your soil. I am using 700 on plants twice that size growing in Coco (0 nutrients).
Click to expand...
I need to back way off then. I’ll try the more frequent watering with smaller amounts of water like you guys recommend.

Hopefully my plants forgive me, this is my first grow.
 
Bernie420

Bernie420

Well-Known Member
MCIce said:
I’m still having issues with 2 of my 4 plants.
I thought last week it might be Magnesium deficiency, so I started spraying the leaves with water+epsom salt.
I watered yesterday with phed water (6.5)
Tap water is 130ppm (500 Scale)
Added Pure Blend Pro Grow Soil until at 650ppm
Then also added .5 - .75 tablespoons of epsom per gallon to the water.

My run off ph was 6.1 so I think my soil is probably around 5.5pH

I am growing in a mixture of Gaia Green living soil and Fox Farm happy frog under a 900 watt LED.

The plants appear much worse when under LED, the pictures I attached were outside my tent away from the LED.

I was thinking maybe still a Magnesium deficiency since I only started adding epsom to the water yesterday. But now am wondering if it’s a Nitrogen deficiency instead.

Should I give the epsom salt some more time or is it Nitrogen?

Also I have 2 plants that are Candida, one is fine and the other is the picture below.

Any help would be greatly appreciated!
Click to expand...
What was the ppm after you added the epsom salt?
 
shawnery

shawnery

Well-Known Member
Im guessing on weight but I gave epsom the weight of coarse table salt which is 16.75g per 1/2 tbsp, anyone know the real weight but that should be close.

I ONLY ADD 9G OF EPSOM FOR 5 GALLONS!!!

Your magnesium is at 449ppm, even if it weighed half that much you'd be at 226ppm. That also putsyour sulfur at 566ppm and half of that would be 266 or so.

Everything else was close enough.
 
M

MCIce

Member
shawnery said:
Im guessing on weight but I gave epsom the weight of coarse table salt which is 16.75g per 1/2 tbsp, anyone know the real weight but that should be close.

I ONLY ADD 9G OF EPSOM FOR 5 GALLONS!!!

Your magnesium is at 449ppm, even if it weighed half that much you'd be at 226ppm. That also putsyour sulfur at 566ppm and half of that would be 266 or so.

Everything else was close enough.
Click to expand...
Wow
I’m just going to use pHed water for the next few waterings.
 
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