Deficiency?

I am a total newb at this all This is my first grow. Break down of my tent. 5x5 with LEC 630 using Canna products A B Rhizo ect. in coco 2 gal pots ph balanced. Temp is kept around 73-75F* humidity fluctuates 39-53. Seed are Fem White Wid and Fem Purple. They are 4 and half weeks old (32 days) 13-15 inches I've been noticing brown spots on leave thought maybe a deficiency. I was watering every other day and the spots really started bad before the last water which was yesterday morning. This evening I went in and the girls were completely dry. Could this be a deficiency from underwatering recently? If so should I prune those leaves or is this possible pest? I have some azamax I used a about two weeks ago when this all started. Any help appreciated.




These are all. The spots are on three of the plants. The yellow guy has been yellow since seedling and is the healthiest of all which is odd to me.

Hows your water

Water ph I get right around 6. UI think recently I was underwatering

It's most likely Phosphorus def'.. but I'm no pro.

So what do I do to correct it?

There's a few charts to diagnose with floating around I'm sure you could google it and find them or someone may have them to post .....GL

You might have figured your problem out already. You thought you were overwatering, this can cause calcium deficiency. Only see the problem spots on the older, lower growth? The new growth looks good.

Not over watering Under watering not letting it run off all way through and not frequent enough would that cause this dificiency?

When I read it sounded like you were first over watering then you let them dry out. Either way, you should always water till runoff, 30% is a good minimum. I doubt its anything you did recently as its on the somewhat older or middle of the plant, new growth looks good. So keep doing what you've been doing not what you were doing a couple weeks ago

Sounds good thanks. Should I prune the bad leaves off? thinking another 5 inches then throwing them in bloom they are about 15 inches now

Maybe prune the worst ones

just strip off the 1st few nodes the plants don`t normally mind they grow better even and it makes watering them easier

anything under node 4 won`t make much bud normally you start getting good producers around noce 5 to 8 is where I normally find plants "mature"

Looks like your plants have the claw in some of your pics to my friend ......it seems like you just need to get your feeding down ....that claw leaf tips pointed down is usually to much N might wana back off on that...

Indacouch said:

There's a few charts to diagnose with floating around I'm sure you could google it and find them or someone may have them to post .....GL

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