Need help clarifying my leaf problem...

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captainforest

Member
Hey guys! Just wanted to clarify the problem I'm experiencing ... not so sure if this is led burn, nutrient burn or a ph problem... just recently found out that my probe was not calibrated and it was swinging below ph 4.

I'm currently running two RDWC setups with 8x 5 gallon buckets and 450w (from wall) led, 15 inches above canopy; one being the vegetation area and another being the flowering. I would feed my ladies around 500-800 ppm. Each are showing similar but somewhat different signs of led burn, nutrient burn or a ph problem ... I am confused.

Hope you guys can help! Photos seen below.

Vegetating Plant 1:
1604745246269.png

Flowering Plant 2:
1604745450655.png
 
Hobbes

Hobbes

Well-Known Member
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Click the chart to enlarge. Looks like some nutrient burn and perhaps a mag def,.

deficiencies-0715.jpg

1595265552385.jpeg
 
C

captainforest

Member
This is my system btw! Newbie here hope to get some advice! Thanks!

Recirculating waterfall dwc
2 sets of:

4 by 8 grow tent
1/4 hp chiller; water temp 21c
65 gallon water volume
Two Sf4000 spider farmer (450w draw)
12w uv sterilized
500 ppm
5.8 ph swings up to 6.5

Other led now is a bestva. About to get the other spiderfarmer
 

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C

captainforest

Member
Its really messy cause the other rooms were under construction which just finished... the dust and heat affected these ladies for the first few months
 
C

captainforest

Member
Hobbes said:
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How's the leaf problem? Has it stopped spreading?

Nice grow!

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Click to expand...
Thanks but i think ive made so many mistakes yield gonna be crap for sure ! Yes it stopped spreading but it’s still there. Not sure what to do about it but it seems to still be growing anyways.

Not sure but I think a big part of this problem was caused by the stress these ladies had during their seedling stages.. (heat/dryness/low ph)
 
Hobbes

Hobbes

Well-Known Member
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No, there would be more canoeing in the upper leaves from heat stress.

captainforest said:
Yes it stopped spreading but it’s still there. Not sure what to do about it but it seems to still be growing anyways.
Click to expand...
The affected leaves will never recover, so long as it's stopped spreading you'll be fine.

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C

captainforest

Member
Hobbes said:
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No, there would be more canoeing in the upper leaves from heat stress.



The affected leaves will never recover, so long as it's stopped spreading you'll be fine.

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Click to expand...
Awesome! It did stop spreading. The other plant though has this weird color pattern on her all over ... very light green but its growing well haha
 
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