Wtf is wrong brown evil spots that spread like crazy PICS!!!

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671dragon

Active Member
Hi i have about 16 plants in 3 or 5gal pots in a 3.5x7 shed i have 3 400w hps lights, a 8000btu ac, a regular fan for intake, and 2 other fans for circulation and a c02 supplement. up until the 2nd week of flowering my girls started getting these brown spots that consume all the bigg fan leaves and most of the top fan leaves now (4th week) i have not really given them alot of nitrogen(or alot of ferts period)(reason for not putting alot i wanna make the smoke alot smoother and i have notice that with just watering the buds dont come out all that big but they are extremely good smokes(onnly tried just watering with smaller plants 12-18 in when finished i wanted to try just watering bigger plants to get more but the just watering dosent seem to work with big ones)) THe ferts i have are (veg) fish emlulsion 5-1-1, (Flower) pure blend bloom, bat guano 0.5-12-2, potassiam 0-0-5, superthrive (also in veg). I feed like every 3 days and water almost every day. I put the rec dosage. i just want to know if its a nitrogen def or is my room to small and they are not gettin enough light penetation into the inside of them thats causing this any input will be greatly appreciated thanks
 

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diemdepyro

diemdepyro

Well-Known Member
Looks like you done good just that damn cal/mag thingy Do you have dolomite, or calcium and Epsom salts.
 
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671dragon

Active Member
they just started getting these brown spots and then it came on very fast i lost more then half the vegetation in the room
 
OregonMeds

OregonMeds

Well-Known Member
Yea it's cause they're starving, you're also costing yourself a lot of yield. I don't recall the amounts off the top of my head to add, I'd have to look it up too.
 
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671dragon

Active Member
i feed them like every 3 days should i up the dosage of ferts and like i said before i just cut back on the feeding cause i want clean smoke
 
diemdepyro

diemdepyro

Well-Known Member
Can you check PH tell me when you fed last.
Dolomite is a type of limestone
you should get some. But the PH thing.......Could be causing this disaster.
 
OregonMeds

OregonMeds

Well-Known Member
Could be nute lockup but your nutes might just be short on calcium and magnesium for your strain or for the amount you fed.

You should get better nutes that have everything in one or a pre set blend of a few... Too many people mix random amounts of shit they heard other people did etc. One good product or line of products made to work together with all micronutriens included in them and made specifically for weed all the way through would do you better. You also would avoid ph issues because products that are made for this are ph balanced way better and have more ph buffering built in.

There are many advantages to keeping things simple.
 
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