Possible PH Problem.........???????????????????? (PICS)

Hi lads,
First post on here third grow. Im having a few problems with my outoor babies. Thinking it could be ph but would like a bit of input. they are just in pots with soil from the garden as i am plantin them out this weekend (should have been two weeks ago but weather and laziness got in the way.... Haha). All bagseed bar 1 which just so hapens to be 1 of the bad ones so i doubt it to be genetics..... Any help on this would be much appriciated..... Should Have pics up shortly feckin uploader wont work for some reason......

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This is the only pic i could get up tonight. Its of the plants in my temp makeshift greenhouse.......... Will hopefully have more up by tomorrow evening......

can we get a close up picture of the plants without the cover on?
would make things easier to help you diagnose your problem.

its always the damn PH!! ahhh!!

excuse me....

the Fonz hates covers, get rid of the cover, your upsetting the Fonz.

Yellow tips could be nitrogen deffiency.. Check out this guide by nraged..

https://www.rollitup.org/marijuana-plant-problems/216537-self-diagnose-your-plants.html

Sorry bout the delay with pics this uploader just wont work for me........????????