Spots on edge of leafs

Hello, it is nothing to worry about for now. Keep Attention if it gets worse. Are you giving nutrients ? Which substrate are you growing on ?

I agree with @Selkot regardless of the npk ratio advertised faoxfarm is notorious for hot medium, there is some magnesium deficiency going on but I would just water for now and watch her.. Come back let us know if she's getting worse and we can go from there,, make sure your pH of the water is in the correct range...

Seriously, don’t pay attention to the advice telling you to feed your plant : you’ll just end up killing it. This soil is known to be rich because of its composition, no doubt about that; it can sustain the plant for 3–4 weeks without any fertilizer, otherwise there’s a risk of nitrogen toxicity, especially for an autoflower.

Yep, searched and found👇 The NPK of Ocean Forest is 0.30-0.45-0.05 it's completely empty 😂

no light strees more likely what Fruitgrower said there are sings of Mg,K,N def

you’re right not to start fertilizing yet, wait another 7 to 10 days. The small burns are due to your substrate being very rich for young plants, and the discoloration is a slight magnesium lockout, also caused by the substrate. The light setup is fine. To fix this minor issue, keep watering with plain water, but ideally measure your pH ; it should be between 6.2 and 6.4. And most importantly, water moderately: let the top 3 centimeters dry out completely before watering again to avoid root saturation. Don’t worry though, your plant is overall healthy. If you follow these steps, the new growth will come in nice and green 👌

looks like bad watering habits... was that also a tiny plant in a big pot or did you pot up with appropriate sizes as it grew? 1) fully saturate - never partially water unless you've got a tiny plant in a huge pot, but you still fully saturate all the way down 2) wait for appropriate dryback.. in FFOF wait for a full 1" deep to dry as it holds a ton of water. i can tell by the drying pattern some sort of esoteric watering procedure is being used. over time this will causing increasingly more severe problems even if it worked initially. FFOF is quite hot.. so i doubt it needs fertilization, yet. Fix the watering habits first. Bet those veins clear up and leaves improve within a week or so. if you continue to see symptoms, can continue to diagnose and adjust from there. May need to supplement some things soon, but may need to ramp up unevenly in regard to each nutrient you add to the fertilization schedule. Take notes... if you use the same products, it'll be a similar schedule next time and you can pre-empt the symptoms altogether... much easier to learn if you go this route than trying to guess. new soil may have a new learning curve as far as when to add what.

Looks like the very first signs of light stress or a slight calcium issue Since you’re running Fox Farm Ocean Forest, it’s probably not a deficiency yet that soil is pretty hot for the first few weeks. I’d just keep the light around 60–65% for now and make sure you’re not overwatering. A small dose of Cal-Mag later on should cover it if it spreads.

You just need to feed her

see MP 👍