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- Jun 23, 2021
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Hi guys, I've got a deficiency in my flood and drain iws system. I will try to explain everything.
I started hand watering at first vegging for around 8weeks and everything was fine, I moved into the system for another 4week and things were going great at first then started to see spots on my leaves ( i will attach photos).
I checked my EC and it was wast 1.4 so I flushed them loads from the top.
I am now at 1.0ec and ph is 5 8-6.2
Medium is coco/pebbles 60/40 mix
Humidity 50%
4x600w hps light, I've made sure they are far enough away from the plants.
Room is 2.4x2.4x3m
Feeding canna A+B base nutrients, I dropped out the additives to make things simple until I get ontop of the deficiency.
Ec of my tap water is 0.5EC which canna says there is no need to add calmag.
I have sprayed calmag onto the leaves in 1week intervals and not seen no improvement at all.
Any help would be great as they are getting really bad now, I can't seem to find what is going wrong and it's getting worse by the day. Thanks
I started hand watering at first vegging for around 8weeks and everything was fine, I moved into the system for another 4week and things were going great at first then started to see spots on my leaves ( i will attach photos).
I checked my EC and it was wast 1.4 so I flushed them loads from the top.
I am now at 1.0ec and ph is 5 8-6.2
Medium is coco/pebbles 60/40 mix
Humidity 50%
4x600w hps light, I've made sure they are far enough away from the plants.
Room is 2.4x2.4x3m
Feeding canna A+B base nutrients, I dropped out the additives to make things simple until I get ontop of the deficiency.
Ec of my tap water is 0.5EC which canna says there is no need to add calmag.
I have sprayed calmag onto the leaves in 1week intervals and not seen no improvement at all.
Any help would be great as they are getting really bad now, I can't seem to find what is going wrong and it's getting worse by the day. Thanks