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Help! Little yellow dots on leaves

  • Thread starter Thread starter LucyDrop
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Help! Little yellow dots on leaves

LucyDrop 6 Replies 1,423 Views
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LucyDrop

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#1
Help little yellow dots on leaves
Help little yellow dots on leaves 7
Help little yellow dots on leaves 6
Help little yellow dots on leaves 5
Help little yellow dots on leaves 4
Help little yellow dots on leaves 3
Help little yellow dots on leaves 2
 
#2
Some info on the grow • Strain : Royal Dwarf • Medium : BioBizz Light Mix • Light : 250 watt hps • Pot Size : 10lt • Nutrients : T.A. Tripart once a week • Watering : dry-wet whenever needed • Age : 23 days from seedling • Environment : 28C Humidity 50%
 
#3
First its not that bad but I think it might be Magnesium. Are you using tap water? What is your starting ec/ppm? Are you using a cal/mag supplement?
 
#4
LucyDrop said:
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Sorry no one saw this sooner. It definitely looks to be a magnesium deficiency. If you add 1 tablespoon of epsom salt in your water, once a week should clear that right up. If you are growing under and led, leds cause plants to use more magnesium. Not sure why but its very common with leds for this to happen.
 
#5
Goodshit97 said:
Sorry no one saw this sooner. It definitely looks to be a magnesium deficiency. If you add 1 tablespoon of epsom salt in your water, once a week should clear that right up. If you are growing under and led, leds cause plants to use more magnesium. Not sure why but its very common with leds for this to happen.
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His PH is over 7 its not due to lights. he is in coco.

spraying epsom can help by spraying the underside of the leaves, but adjusting the PH to 5.8 is the only way to get things back to running correctly.
 
#6
DaKine808 said:
His PH is over 7 its not due to lights. he is in coco.

spraying epsom can help by spraying the underside of the leaves, but adjusting the PH to 5.8 is the only way to get things back to running correctly.
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Unsure where you found out ph is over 7, but it was not on this thread. I didnt say to spray with epsom, i said to water it in. I also stated very clearly "IF you're growing under led" had never said its due to lights.....
 
#7
Calcium and Magnesium are always an issue with coco.

Foliar applications need a higher PH according to Cervantes. Most of the pesticide foliar sprays I did at LGO's were PHed to 7.5
 
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