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Possible Deficiency or over/under water?


TallShayShay
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Hello,

First time grower and poster,

I have a 1.5m2 tent in the garage with a 600w hps, 1500w oil rad and 4 clones that are in the start of week two of veg. The first week I struggled with temps being too cold. Hence the rad now. Now sitting at 20-24c lights on and 18-20c lights off.

I woke up today to find the top of the plants leaves (see picture) looking different.

D0241DD5 B1F5 4CB8 AC43 76181C4C3F6A
B16970C0 E74D 40F6 87E0 B8B029116C3D

 

also I’m struggling to find the happy place to where I’m not over or under watering them. When I think they look good and healthy, I go back the next time and they look all sad and droopy. 

Im not sure if I’m over fussing as it’s my first time or if I’m causing the issue.

TIA

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Macky
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OG
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Welcome to Percys Shay, is that plant in coco? 

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TallShayShay
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Hello, yes its in coco with perlite.

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Macky
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OG
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There is the problem straight away mate Smile You can t over water in coco and you need to keep it damp all the time. Never let it dry out. 

What happens is, as it dries, the water is drank by the plant, some is evaporated, and the food is left behind in the coco. This can make the EC spike, the drier tit gets thr higher the EC can be. 

You need to be watering every day to keep a plant happy in coco and i think this is the cause of your problems. 

What nutrients are you using? 
How much of those nutrient per litre are you giving the the plant
Are you monitoring the EC/ PMM?
Are you monitor the PH? 

Hope this helps mate. Tell me what youre feeding it and we can come up with a good idea of where to go from here 

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TallShayShay
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@macky Makes sense,

Im using Buddha nutes, Week 1, been doing 2L per plant every other day on average, watering and drying up excess.

Im Ph'ing the water to 5.8

s l1600
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Macky
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OG
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Sounds like a lot. Good line though Buddhas tree. 

Flower burst only really needs to be used on the last week of veg before you flip. 

You're not using the organicus too right? 

Id be looking at something like:

Meta boost 0.5 ml per litre
Solar Green 0.5 ML PL
And Coco A n B 2ml ML Per litre

 

 

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TallShayShay
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@macky

That's correct, Flower burst last week of veg and no organicus.

They're the exact measures that I am doing.

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@tallshayshay

Awesome lol!!

Ok, so now, I would flush them, to remove and excess salts, and then re feed them at their usual dosage. 

Keep feeding them everyday, and don't let the medium dry out. 

Also, make sure you're getting at least 10% run off with each feed, and drain the run off away too. don't let the plants sit in it. 

Do that and they will start to look a lot better in a couple of days 

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TallShayShay
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@macky

How long should I flush for? 

And yes been having roughly 10% run off and cleaning up.

Appreciate you're help mate

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@tallshayshay

Just once mate to bring the EC of the medium down a little..... are you monitoring the EC at all? 

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TallShayShay
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@macky

Im only monitoring the ph that goes in, how do I measure the EC?

ty

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Macky
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You need an EC meter, this will tell you how much food is in the water. Can help tell if you're overfeeding or underfeeding. 

Just give a big feed with loads of run off today then, make sure that coco is fully saturated. Then water every day from the with 10% run off Smile I think you'll see improvements pretty quickly then 

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TallShayShay
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@macky 

ok will do, How long shall I feed with water for? 

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@tallshayshay

Because you don't have an EC meter, avoid giving it just water. Instead give a bigger feed, at the levels above, that'll help get the medium fixed and on the right levels 

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TallShayShay
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@macky

Brilliant thank you for your help.

Ill let you know how I get in on the next few days 

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@tallshayshay Cooool, keep us informed mate Smile

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