Citric Acid for Powdery?

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homebrew420

homebrew420

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Hey everbody was wondering if anyone has tried Citric acid as a PM wash or prevenative. There are OMRI listed products that contain 5% citric and are used as a fungicide. Just interested to find out how effective this is.
On a side note and the real reason I am posting is because I have some at 1.35% citric for this exact purpose. I will use this in the hopes that it will do as labeled. I will let everyone know about this on this thread.

Any info here from other users will be welcomed.

Peace
 
homebrew420

homebrew420

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I am a little suprised that not a person here has an info.
So I will share my experience. Over the last week or so I have been using a citric product, less than 2% citric. It will kill on contact, not just the spore but the mildew within the plant. I think this is a very good alternative to throwing away contaminated herb. Does an ok job of washing the PM off the plant, not as good a alcohol. I feel just fine about spraying with something as innocuous as citric acid all over the plant. Not having to worry about residues or toxins on a flower allows one to be very thorough in the spraying. Keep it at bay for another few days.
Hope this info is a help to someone out there.

Peace
 
SweetTooth

SweetTooth

248
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I cant see any sense to this because alkaline washes kill PM not acidic. Skim milk works wonders to kill off the pm but you need to alternate with fresh alkaline water or the skim milk will dry out and start to look like pm too and you wont be able to tell the difference.
 
M

moodster

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i wud just use eagle 20ew in veg once job done no more PM ive been free for over a year and didnt change my enviroment
 
O

oldschooltofu

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makes sense since i have heard lemon water mixed 1:1, 2:1, or 3:1 will work.
 
O

Oly Grow

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Myclobutanil (Eagle20) is poison banned by Canada and most states with legal marijuana. Not for me thanks
 
Madbud

Madbud

3,369
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I used 2% Milk and water on my roses, gone. Think the enzymes in milk eat it.
 
O

Oly Grow

10
3
I am a little suprised that not a person here has an info.
So I will share my experience. Over the last week or so I have been using a citric product, less than 2% citric. It will kill on contact, not just the spore but the mildew within the plant. I think this is a very good alternative to throwing away contaminated herb. Does an ok job of washing the PM off the plant, not as good a alcohol. I feel just fine about spraying with something as innocuous as citric acid all over the plant. Not having to worry about residues or toxins on a flower allows one to be very thorough in the spraying. Keep it at bay for another few days.
Hope this info is a help to someone out there.

Peace

Citric acid is the main ingredient in Nuke em I have had excellent results with this product and it contains yeast as well. It kills about everything. Works as a great harvest day dip as well dip branch let stand air dry and then dip in plain water and let dry.
 
O

Oly Grow

10
3
Also use it throughout your gro not just the last day. It will help control.
 
Wee Zard

Wee Zard

513
143
Eagle 20 is a systemic.
It leaves traces all the way to flower.
So, not an option for a medical grow.
That said, I asked about PM and was told that Procid works. Bought some and found it to be effective, if expensive.
So, I read the label.
0.081% Citric acid. The other 99.919% is distilled water.
So, I bought a couple pounds of food grade, citric acid,
Should last me 50 years, :)
Did more research. Turns out that PM wants a narrow PH range to spore. Anything that raises, or lowers the surface PH will do.
Potassium bicarbonate also works well and is also dirt cheap. Sodium Bicarb also works but can drip to the soil and add too much sodium.
They do need re-application every week or so or the PM begins to bloom again.
We are only inhibiting the blooms with this PH trick and it is not perfect. I can usually still find some blotches inside the buds.
So, when I harvest, I trim immediately and immerse the buds in 3% H2O2 in a large jar at room temperature.
Then I shake the shit out of it.
No worry, be brutal. You won't lose resin as long as the liquid is room temperature.
I've put buds under a microscope before and after. Trichs still capped, but PM gone.
Whip the excess moisture off and hang them to dry, if done in the a.m., they will be dry enough by dusk to hang indoors.

Aloha,
Weeze
 
K

Knight

6
3
Hey everbody was wondering if anyone has tried Citric acid as a PM wash or prevenative. There are OMRI listed products that contain 5% citric and are used as a fungicide. Just interested to find out how effective this is.
On a side note and the real reason I am posting is because I have some at 1.35% citric for this exact purpose. I will use this in the hopes that it will do as labeled. I will let everyone know about this on this thread.

Any info here from other users will be welcomed.
I am trying Earths Ally Disease Control from Lowes. It contains Citric Acid, Lactose, etc.. I tried it on some flowers that were white with PM and it cleared them up. I sprayed the plants, but it needs to stop raining to see if it worked. Directions say to spray top and bottom of leaves, stems. Note, PM thrives in 70 to 80 degree dry weather.
 
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