dwc yellow leaf tips

ckckck

Active Member
hi guys any thoughts please im growing 3 plants 25 litre tote ive vegged for 4 weeks from seed its been 5 days now since i flipped 12/12 today ive noticed yellow tips on the leafs ov the new growth im using canna aqua veg at the moment ive not started on aqua flores yet i was gonn wait untill 7 days had passed in 12/12 my ph is aways about 5.9 to 6.1 every time i check never need to adjust the ppm around 700 so any ideas on whats causing the yellow tips its only on the new growth otherwise plant is growing like its on steroids and healthy in every other way
 
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