Unidentified issues

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Bluethunder98

Active Member
Soil: black gold organic with fertilizer(orange bag) with perlite, worm castings and egg shell dust added in when planted

Ph was at 10 until I got my ph tester today
Lowered “yikes”

Looks like calcium issues but also I have holes in two leaves checked for bugs and caterpillars but nothing to be found.
Using 4 year old seeds unidentified
 

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nitrogen def on lower leaves it kind a looks like, the rest of the plant looks healthy. pinch those two leaves off and watch for any more lower leaves turning yellow.
N,P & K issues cause the lower leaves to show problems, where as micro nute problems cause the upper leaves to show issues
 
go go kid said:
nitrogen def on lower leaves it kind a looks like, the rest of the plant looks healthy. pinch those two leaves off and watch for any more lower leaves turning yellow.
N,P & K issues cause the lower leaves to show problems, where as micro nute problems cause the upper leaves to show issues
Click to expand...
Thanks that was my second guess! Any idea about the holes in the leaves?
 
Yeah just waiting on my VIVOSUN aero wing Asw200e to arrive tomorrow then I’ll go to 10 inch pot and final transplant to 7 gallon when I can get all my tomatoes and basil out of the room when the weather is good
 
They're just hungry. You can tell because the newer fans up top are turning a bit pale, but nothing crazy yet.

Typically, I don't really sweat over those older, bottom fan leaves dying off. The plant is young, and goes through some adjusting it's first handful of weeks of life.

The leaf with holes.. it got damaged at some point, or maybe a mutation, or a ph-issue you often see in young plants as they adjust to their grow medium. Happens often with young plants, and won't affect anything negatively. Plants in veg can be put through the ringer, and still come around once dialed-in.
 
Do we not think pH of 10 locked everything out and might not wanna change much until that problem is solved or you are gonna ping pong?
 
I question the test that read a ph of 10 . That's awful high . I can't see a plant living long enough for it to get that high ?
 
Hope he did not get a green and black box pH pen. I lost my first grow to a 29 dollar ph-ec set.
And I was doing hydro.
 
Unga Bunga said:
I question the test that read a ph of 10 . That's awful high . I can't see a plant living long enough for it to get that high ?
Click to expand...
I just started watering with rain water from my collection unit and when I saw the ph level I thought the same thing until I checked it and saw it was contaminated with high algae bloom
 
After years of doing this and reading similar posts, I am absolutely convinced that pH is probably the #1 culprit among plant problems. Pre-mixed soil-LESS mixes sometimes assume that people are growing tomatoes and they make the mix very acidic. But, when the pH turns out to be as high (alkaline/basic) as what you're reporting, then I'd get some General Hydroponics test drops and throw that pen in the garbage. At a pH of 10, your plant would be fried in a matter of a day or two, but it doesn't look that bad at all.

You probably have plenty of nutrients in the mix....but they are all being locked out by a wonky pH.

General Hydroponics test DROPS....unless you are color blind! ;)
 
tstick said:
After years of doing this and reading similar posts, I am absolutely convinced that pH is probably the #1 culprit among plant problems. Pre-mixed soil-LESS mixes sometimes assume that people are growing tomatoes and they make the mix very acidic. But, when the pH turns out to be as high (alkaline/basic) as what you're reporting, then I'd get some General Hydroponics test drops and throw that pen in the garbage. At a pH of 10, your plant would be fried in a matter of a day or two, but it doesn't look that bad at all.

You probably have plenty of nutrients in the mix....but they are all being locked out by a wonky pH.

General Hydroponics test DROPS....unless you are color blind! ;)
Click to expand...
Should I do a full flush or just change the waters ph
 
Jimski said:
We still think the pH is in doubt. If you could let us know what kind of pen and how you tested that would help us help you. 10 is wack and poster who said would fry quick is correct.
Click to expand...
I used a VIVOSUN ph pen and a hydro farm 3 way meter I only watered twice with the rainwater( the water that tested 10ph). The hydro farm 3 way meter maxed out when stuck in the soil after watering. I just tested new soil same brand as well and it wasn’t anywhere near the watered soil I just bought some white vinegar to balance it out. But my question now is should I do a full flush or just water normally with balanced ph at 6.2-6.5
 
Jimski said:
We still think the pH is in doubt. If you could let us know what kind of pen and how you tested that would help us help you. 10 is wack and poster who said would fry quick is correct.
Click to expand...
Also I have done a grow in the past and it went well almost no issues at all and used the same brand of meter on the water
 

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www.growweedeasy.com

How to Check pH & Stop Cannabis Nutrient Deficiencies | Grow Weed Easy

Learn how to easily adjust pH up and down if needed for your cannabis grow. It helps prevent nutrient deficiencies!
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This will show you how to check soil pH.
In addition have you been following the rules for zero point on your pH pen? Calibration.
I have history with Vivosun pH pen and I know use AP apera 60 kit with 2 digit accuracy that I check daily.
I am also speaking with hours of research reading other folks grow journals about cheap pH equipment and how it looks and when the journal author is honest they will admit to 2 major issues. Cheap pH pen and not calibrating the unit.
 
Bluethunder98 said:
@Unga Bunga @Jimski @tstick @go go kid
I tossed out the pen and got the general hydroponics test kit! So I should be on the right track now… hopefully.
Click to expand...
Bluethunder98 said:
I used a VIVOSUN ph pen and a hydro farm 3 way meter I only watered twice with the rainwater( the water that tested 10ph). The hydro farm 3 way meter maxed out when stuck in the soil after watering. I just tested new soil same brand as well and it wasn’t anywhere near the watered soil I just bought some white vinegar to balance it out. But my question now is should I do a full flush or just water normally with balanced ph at 6.2-6.5
Click to expand...
I was going to suggest the drops.
Rainwater usually tests below 7 ph. It is only in rare locations in the world where rainwater tests above 7.
The drops will give you a more accurate result.
 
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