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New leaves are curling need some advice

Hi everyone
I m wondering if this curling because of too much light ? or some kind of deficiency , mainly the new growth is curling
Friend of mine suggested to lower the intensity and i did i have HLG Rspec 24 inch above at 230 watts i lowered it to 195 watts
RDWC
PPM – 820
Temp – 73
PH –5.9
im using Lucas FLoranova and silica the are on 15th day of veg
im adding 50 ml h2o2 every 4 days diluted in 350 ml rez water and just added 20 ml calmag


from Hydroponics / Aeroponics https://www.rollitup.org/t/new-leaves-are-curling-need-some-advice.1006407/

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