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Grow Questions

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Color - Black or grey

Veins - yellow between

Strain - Autoflowering

Strains - Photoperiod

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handaman

leaves yellow on sides I'm bit desperate as issue is progressing. I moved my HPS light to 50cm. Put ventilation on highest power. I think it looks awfully lot like Potassium deficiency and it's possible my last feed had PH of 7 so I flushed with 6.2 3 days ago without improvement.

Leaves. Color - Yellow

4 years ago

Open

handaman

Defoliation during flower phase Seems there are mixed opinions on internet. I'm already in 2 week of flower. I can see buds forming slowly. There are still some low branches and low placed leaves that would deserve defoliation but I'm afraid now to hurt the plant and lose the part of yield.

Techniques. Defoliation

4 years ago

Solved

handaman

brown tips on some leaves first week of flower, only one plant out of five affected, only couple of leaves close to the top affected (up to 5 in total) - my assumption is 1. too close to light (I have 40cm between 400HPS which seems enough), PH problem or deficiency (potassium?)

Leaves. Edges burnt

4 years ago

Solved

handaman

Brown spots on tips of some leaves 4 leaves affected on only one plant. All plants are receiving same feeding and are from same clones. Based on photo and googling it looks awfully lot like P deficiency? I'm still in vegetation phase though. I'm feeding with Advanced Hydroponics Grow + Bloom + Micro based on chart

Week 6

Leaves. Color - Dark-brown

4 years ago

Solved

handaman

Dark small leaves. Stopped growth I've got problem with one of my plants (out of five). It's bit smaller than others. It's been going on for two weeks I'd say. Leaves are much smaller and darker than on other plants. Some of them clawing. New ones are not really growing. I'm watering when soil is soft.

Week 5

Plant. Too short

4 years ago

Solved

handaman

clawed leaves.. possibly from wind burn I windburned one of plants quite a lot (possibly others too). It seemed to me as stunded. After 7 days and topping some leaves are still clawed down (middle plant on pictures). Typically the big fan leaves. I wonder if there could be other reason for this and if I can do anything

Leaves. Curl down

4 years ago

Solved

handaman

should I top some more?I topped once.. from one main high cola I got 4 per plant.. on one plant after LST it seems next small ones are appearing. Should I top again to get more colas? My original plan was to go with SCRoG and I still haven't decided if I'll do it (I think there's still time)

Techniques. Topping

4 years ago

Solved

handaman

soil takes 7 days to dry soil takes 7 days to dry out.. on last feeding I tried using lower amount of water, I also drilled few holes to one flower once already.. is there something I can do about it? I think low temperatures might be reason for this and lack of perlite

Week 3

Feeding. Schedule

4 years ago

Solved

handaman

grow temperature too low?do you think day temperature of 21/22 and night temperature of 16/17 is too low?

Week 3

Other. General questions

4 years ago