Nutrient burn or light stess? Last days of harvest

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staysmokin

Member
So comkng down to last days of before harvest. I noticed what looks like some sort of tip burn kr light burn on a couple branches. Can anyone point me to what thisbis so i dont repeat. I run a fce 6500 mars hydro (old style not smart) with 5g pots of cultivation nation 70/30 coco my nutrients are cultivstion nation 3 part with fox farm additives. I was using half strength nutrtients with an occasional stronger dose. Water with nutrients every day. Doesnt seem to be effect the whole plant. But was just curious of everknes thoughts. I run the light 75% cus it gets to hot in tent at 100% but indid vut it up to 100 once or twice for a day or two . Didnt notice the spots right away so im not sure if it was from that or not. Light aits aboht 18-20" above canopy. Temp and humidity are 75-78f 45-55%rh
 

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senorthc

senorthc

Member
what is the size of your tent?

if your tent is anything under a 5x5 and your cranking that 730w light to 100% for multiple hours, then yes its probably light burn.

now if that is happening below the canopy and the top leaves look fine.. then probably nutrient burn,
 
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