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HELP! Yellow Leaves

MagicMike66

MagicMike66

New member
Hi folks, looking for some advice on my plants. I’m a first time grower, using auto flower seeds. They’ve been growing fantastically up until a couple of days ago when my biggest plant has dramatically started turning yellow and losing its leaves. Does this look like light burn? The other 2 have been growing slower and so far seem ok. I’ve got them inside a 1200x1200x2000mm grow tent with 600w LED light. I’ve also got an extraction fan and a fan inside to circulate air. I have a constant temp of around 22-24 degrees. I’ve so far been using a ‘super soil’ that says I don’t need any nutrients and they’ve been growing so well I’m reluctant to use now that I’m around 3-4 weeks into flowering. Last night I changed the pots as I discovered the largest plant was pot bound so hoping this helps. Any advice would be great. Thanks
 

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In the process of maturation, a plant will begin to draw the nutrients from the soils and emulate a nitrogen deficiency which may actually be a deficiency. I’ve made a few inquiries regarding recharging the soil or supplementing nitrogen to slow down the process.

from what I’ve come up with, ph fluctuations and overwatering earlier In the growth stages are the probable causes of this phase of a super-soil growth. And despite what looks like a dying plants, I’ve not touched anything and just forged a ahead to produce well developed and potent plants. Do you see well-formed heads on the trichomes ...erect and full? (No joke intended but the material is there). The roots in every supersoil grow I’ve seen have been totally full and packed in the fabric bags. To try and recover the soil mix when it all over yields maybe a gallon out of a 5-7 gallon grow bag
 
I wonder about Overnight? I could see wilting... but the yellowing in those pictures I have had many times 3-4 weeks before its over. And a recognized producer of supersoil explained that pH and overwatering story to me
 
MagicMike66 Whose soil is it that you are using ? and...If you can, use fabric bags instead of plastic pots and Canuck147 told me about geopots about which just look so darn durable. By the way, their out of stock on the ones I wanted
 
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Farmall I’ve been using Ecothrive supercharged soil in a plastic pot but I’ve just invested in fabric pots to hopefully give them a boost before the end. Also been monitoring the trichromes and yes they are all well formed and looking good, but still look like glass with no sign of them getting cloudy.
 
Looks to me like your soil is depleted, no more nutrients in it, most probably from watering to runoff is the culprit.
Looks like your close to harvest anyway. So that's a good thing.
GoodLuck
 
For future reference, how much and often should I be watering my plants? Ive seen anything from every day to a few days or more?
 
Water them when the need it. Biggest mistake i see is over-watering. Water till pot is full (soil it is just before or right at runoff) then water when pot is light. Every plant takes up water differently and at different stages so there is no formula or schedule. In the beginning i water once a week cause thats all they need. Right now i water every 2 or 3 days because that is when the pots are dry
 
I’ve waited as long as 3 weeks after I thought they’d be ready to harvest...drives me a bit crazy waiting, if you know what I mean
 
Just remember, with Supersoil, all your ‘good stuff” is in the soil and if you see water leaking out the bottom, you’re watering too much. Other media you’re supplementing nutrients so the runoff is fine
 
Yeah I sure do. This is my first ever attempt and tbh I’m pretty happy that I’ve managed to grow some buds, albeit small ones. I can’t wait to try it
 
You may find just looking into different types of super soil may be the answer. There are several good points to look at. No chemical nutrients so your grow is organic. No mixing and measuring powders or liquids, just use plain pH’ed water, No flushing needed. On the other hand, you still need to manage the plants to increase your yield as none of it is guaranteed.

For my own bias, I believe I have found the most convenient grow technique. My basil, tomatoes, peppers and spaghetti squash just seem to flourish with so little attention.
 
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