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Hello growers, what do you think this is? Some leaves are yellowing or have burnt tips, but not all the plants are showing this problem... Temps are 77°F during day, 64 during night, RH 40%. 20 hours light cycle. I have a spider farmer sf2000 (200w) and a spider farmer sf1000 (100w) both on full...

Thank you! I have a plant bigger than the one in the photo, they get the same amount of nutrients but only the plant in the pic has shown severe burns and discoloration, the bigger one just some dry or purple tips, is that still possible to be underfed? idk maybe one genetics uses more nutrients...

How much do you water your plants? I mean how much water would you use in a 5,8 gal pot? (by 1/4 I mean the quantity of water, so 1,5gal) I usually cut an aloe leaf from my garden and put its juice in my nuts solution Anyway thank you all! I will do what you told me and I hope to harvest big...

my pH is 6.5. what you mean by "ppm talk"? im new to cannabis growing and i am curious

soil, added more perlite in it

it is very likely thanks! but I have also noticed that the lamps are very close: 15inch from the sf2000 and 11 from the sf1000 (the plant in the first pic is under sf1000) is that too close?

ok for the claw leaves (I'll water once a week again and see what happens), but what about the discoloration and strange colours?

I can't tell you the ppm bcs the TDS is broken, but I can tell you I never put more than the recommended quantities. I'm sure the ppm is not under 1000 and I mix my principal pk nute with purpinator. I don't water to runoff, all the water is absorbed by the soil

Once per week, or you mean ppm?

I have 2 spider farmers, one sf1000 (100w) and one sf2000 (200w) for an area of one square meter, I also have two 25w purple light with two more 14w "house lamps" to give some more green light. I always check my water's ph and soil's ph (6.3 to 6.7), I have no bugs on leaves, idk for root zone...

Not really, in august temperatures were higher (85/90F) and after 3/4 days leaves were drooping down already and I never changed watering schedule since that, ofc before watering the top of the soil is always dry.

Hi, I got some discolored and claw leaves and I'm not able to understand what's really going on: Light burn? Wind burn? too much nutrients? my fabric pots are dirty and I was thinking that this could block oxygen transpiration making my leaves to curl. -9 of 11 weeks of flowering -temps 78...

I use pH test kit, the chemical drops i mean, for the soil I use a pen that I got from a friend of mine, I bought myself fishmix 4 months ago, and yes it is very powerful, but I guess if I was using too much of it my leaves would be dark green bcs of a N toxicity and not green/yellow

A friend of mine give it to me, I’ve never seen this on amazon, but it seems to give good measurements

For some reason I didn’t send the full message Fish poop is organic, but I also use some advanced nutrients (rhino skin and sensyzim, which are not organic)

Not a pure organic, my liquid nutrients are literally fish poop

I rarely test run off, I don’t need to do that since I have a pen that directly tests soil’s pH No added acids this time, my nuts are enough to get the pH to 6.5

Little update: It’s almost 2 weeks now that I’m watering with only water (pH 6.5). My plants do not show improvements, branches and veins are purple, leaves are yellowing and are falling down, some of them are necrotic, growth is stunted. Today I started to use some nutrients again (balanced npk...

I’m not doing that anymore, but my plants still look so bad, I have no more ideas

Got it, thanks!