Sick plant please help!!

[cosmicinfinities]

Hi Guys n Gals

I would very much like it of people could advise me on my grow as I am trying to sort out issues and everything seems to be getting worse. I currently have a post up and running.

https://www.autoflower.org/index.php?threads/51725/

And would very much like some advise ASAP.

I have supplied some photos and the grow info can be found on the link supplied.

 

[briman]

Get yourself some cal/mag and use it at max dilution rate as per manufacturer!

 

[namvet25]

I agree with Briman on the cal/mag.Your girls look fine except for a few yellowing bottom leaves and sometimes this will happen to a few older bottom leaves and this is normal and nothing to worry about unless it starts moving up the plant.

 

[Waira]

... that's my first impression too, though the pattern is odd for Mg defc.,... Cos' have you checked the soil pH lately? I just want to be sure about a couple things,... if you don't have a quality pH probe, just a pH meter, then use this guide when doing a run-off test -- ( https://www.autoflower.org/threads/...-testing-and-ph-estimation.41733/#post-928975 ) --follow directions carefully, and do the calculation to get a decently accurate reading, something the r-o test isn't known for in general,... testing straight run-off will not give an accurate in-medium pH! I fyou can swing it, score yourself an Accurate 8 soil pH probe, made by Control Wizard-- worth every dime, trust me! Nothing beats an in-soil direct measurement,...

 

[TomAuto]

let her dry up good and dry then just start flushing her until finished. I think you got several issues going on here, all kinda masking each other making each worse, its a vicious cycle.....just dial it way back on that gal, let her do her thing

 

[cosmicinfinities]

So I have four girls in 15l pots how much water will it take to flush?? As I have two buckets so I can let around 30litres sit till they dry up, when I watered yesterday I gave them nothing but water, no nuits or anything. @TomAuto

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[cosmicinfinities]

@Waira I checked out that problem and it looks pretty good I think I shall pic one up in the next grow but for now I can't really afford it, but have ordered another one, the one I had off amazon was shite and returned back to them.

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[TomAuto]

it'll take a good amount of water to flush,, I would flush each one with a full 2 buckets once dry,..pop corn fart dry...then repeat once dry again

 

[Waira]

... Cos', do not let the pot go dry! --that will magnify any pH problem if there is one, and stress the plant out further... Do you have a pH meter? Do that run-off test and calculation... This is one of the things we need to check out, to determine if the pH is off enough to start locking out certain nutrient elements, or if you have a simple lack-of thing going,... from the looks of the leaves, I think pH is off,...and it's true, symptoms can become less definitive when pH is involved, often with overlapping symptoms, or odd manifestations of them... if the soil is in the mid-to-low 5's, this could be messing with P availability as well, which would explain the wasting and necrosis, which Mg defc. doesn't show until really advanced,...