white marks

Hi, Would appreciate if a experienced grower would know what it is thats causing the issue prevalent on my plant. One of the pictures with very lights marks was from when plant was 1 week from seedling and I first noticed. Pictures where its more obvious is is 3-4 days from then and 10 days...

Hello peeps.. Started a grow with a slow start couse of Bad light but now they Are under led light, maby i need to repot? always use right ph and i tought i had bugs but checked all over with microscope and didnt see Any thing, i worry beacause of the White Marks / stretch Marks on the New...

Hi guys, So this is a sativa Jamaican Peal non auto which im growing in the ground in a coco-perlite mixture. It's mid June so it's still a long way off flower and I've just been feeding it standard nitrogen high Veg nutes. I checked the PH today and it was 7... I believe this is too high...