Plant deficiency problems

Hey guys, I just got three clones from a friend and I've noticed some deficiencies and would love some help identifying and solving these issues. They are about 3 weeks into veg and are in 500 ml pots which I have a feeling might not be helping the issue. My set up is a 600w hps light in a 1.2x1.2x2 meter tent with an intake fan and an extractor fan and currently running 18/6 light cycle. Ph is 5.9 for two of the three plants with an ec of 0.8 from the runoff after I fed them. btw the nutes I am using are canna terra vega. Any help would be really appreciated, will post photos of the problems. Much love

Yeah thats a ridiculously small pot for mix…

Cheers for the response Yeah I was going to repot into 5 litre pots ASAP. You think that is what's causing these deficiencies?

Give them some room to stretch their feet up pot to a 3-5-or 7 gal pot

I was thinking of a 4 gal pot originally so I'll take that advice cheers mate. I dont want to be that guy who keeps asking the same question but do you think this will fix the deficiency problem?

I can't say for sure and I don't wana give you bad advice but the new nutrients from the new soil when you up pot should help with as small of pot it's in and how big it is I can't imagine theres much if any nutrients left in that soil other then what you add yourself

Maybe having a hard time pulling up mag/phos?

Yeah definetly! I wish growing was easier but if it wasn't testing where would be the fun in that. Thanks for that chart yeah I think your onto something I may change the feed/watering ph to 6.5-6.7

I feel ya man I'm still pretty new myself ive got a few years of outdoor experience but just got into my first indoor run do to really harsh fall weather causing headaches. And man it's a world of difference feel like I'm learning from scratch again lol. Also what kind of water are you using r/o tap or well? If tap it may have chlorine in it I've seen that mentioned on here pretty often

What medium are you using?

I don't know if I have ever seen deficiencies get that crispy. Definitely up-pot it.

Cheers for the advice guys. My friend just knows that it's in soil and perlite atm. I'm going to repot into 4 gal pots with canna terra professional medium. Using tap water yeah :/

I feel like I'm learning from scratch too cause I normally grow autos and this is my first photoperiod grow. Oh dont get me started on autumn weather I once had a plant get mold riddled on the cola a week from harvest lol.

Let your water sit a day or 2 before ya water to let the chlorine dissipate. And yeah mother nature is brutal lol last year I lost about a quarter of one my afgoo plants had a super hard rain/wind storm about 2 weeks before harvest poor plant just gave up woke up to it laying completely on it side covered in mud wanted to cry had to chuck half-3/4 a lb

Oh man half to 3/4 of a pound it's almost like losing a baby lol. Alright will do cheers for the advice man