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Spot the deficiency

TerrazasBrew
TerrazasBrewstarted grow question 3 years ago
Lower leaves turning yellow and showing different spots of different colours. Top leaves are light green. Watering with RODI water and 1ml/lt Byron Bay Gold Please help me to find the problem and solutions Light burn? Cal/mag/Cooper/iron deficiency? Mold? Low pH? All together?
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Week 6
Feeding. Deficiences
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Chow_13
Chow_13answered grow question 3 years ago
First pic looks like light/heat stress with minor nuturent burn, but the burn looks like it was from the week prior. keep an eye on new growth tips if they keep burning then you are feeding to much. Humidity is a little high so she might not be transpiring correctly. Second pic looks like a lack of cal mag. check your ph and make sure its within range. if it looks correct the I would say all some cal-mag nect feeding.
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NobodysBuds
NobodysBudsanswered grow question 3 years ago
Your labels are suggesting 2.4 and 3.0 EC (1200-1500ppm holy shit, batman!)... This is almost certainly lockout if you are following those instructions. That's even higher than what fox farm suggests with instructions, lol I would wager lockout from K-tox -- chlorosis up top and some yellow, blotchy leaves at bottom -- may see hints of other deficiencies due to lockout too. Double check pH first before fiddling with nutes, but you need to cut that "warm/cool" EC by 1/2. Add twice as much water as it says to equal parts. That is an insanely high EC unless there;s some weird gimmick going on with this product and soil. Either way.. too much..
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