4 weeks into flowering, help!!

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Dankith

Member
Here's my girl. Tomorrow starts her 4th week of flowering, and I'm pretty sure she has all sorts of problems. Leaves are getting lighter/turning yellow. Some leaves are getting crispy/flaky, and some spots (quite large brown ones) are forming on the leaves. Tips of leaves are curling down and up, and I'm just so worried for her. I just gave her a distilled flush in her 5 gallon pot. Temps run 79-83F, with 40-55% humidity under a 400w HPS.

I use foxfarm big bloom, grow big, and tiger bloom at half strength, and I put calmag into my distilled water.
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GOD HERE

Well-Known Member
Well if you flushed her she's got enough water, How far away is the light? When did you stop the grow big? This is somewhat normal in flowering, as the plant reroutes the nutes, but you usually don't want to see it until a couple weeks before she's finished. Since you mentioned flushing with distilled water I'm guessing you adjust the ph when you feed.
 
Astral Zoom

Astral Zoom

Active Member
looks normal to me... however every single situation is vastly different as no one grow or plant experience the exact same variables...

the brown spots do have me a tad worried... obvious question is did you let fert/water drops stay on leaves? that could be why the brown spotting but im just brainstorming
 
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Dankith

Member
I only watered at the base, and have hardly ever performed foliar feeding. She's still growing fast, so her two main colas are about 4" away from the glass on the air cooled hood. I might start bending them down. The grow big stopped last week, and I'm only feeding at half solution, following the nutrient guide. I always check ph, and while I only have test strips, I keep it at a dark yellow to light green when testing (6.5-7.2)
 
Juicy Juice

Juicy Juice

Member
yupp, I'm experiencing same exact thing on younger flowering plants. Still havent quite figured out whats wrong as its only happening to 1, but narrowed it down to salt build up and/or not enough nitrogen in the soil. Also using smart pots, mine are 2 g(and am not noticing same problem with my reg pots). hope this helps! :)

Juice
 
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Dankith

Member
Any ideas? Why this is? It has yellow spots appearing on some leaves as well. I cannot fathom this being natural. Could it be a sulfur deficiency? Stems are pretty purple.
 
hopeyougotadutch

hopeyougotadutch

Well-Known Member
Dankith said:
Big bloom - 0.01-0.3-0.7
Grow big - 6-4-4
tiger bloom - 2-8-4
cal-mag - 2-0-0
Click to expand...
I'd drop the tiger bloom and just use the grow big, and big bloom if you wanted. Get something for nitrogen only so you can give as needed. My new and better understanding of NPK values is you want something with a ratio of 3-1-2 or 1-1-1 and use it throughout, with help of something else for nitrogen needs.

Bloom food has done nothing for me but yellow my leaves. Using just the 5-5-5 (all-purpose), I kept my leaves and had a more promising yield.
 
hyroot

hyroot

Well-Known Member
Its not sulfur. If it were leaves would begin yellowing at the base of the leaf in a almost tie dye effect.

Its looks like phos and maybe zinc def. So add some p and k. A guano tea with kelp or botttle nutes that have p and k.
 
hyroot

hyroot

Well-Known Member
Not really only the k is soluble. So it will take some time for everything to break down. The phos comes from meat meal (no good Imo). That takes a couple months to break down. Top dressing with guano and kelp meal would work better. Cheaper too. Teas have a fast a absorption rate. All the bennies break down the minerals for plants to uptake.

Take read through the organic section.
 
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