Buds not getting bigger

no, these grow i starded before knowing about these forum. I am using an fert that says it's PH perfect, so i'm not checking this, but i'm buying one now. I will give she a little more potassium in the water to see if the leafs stop getting these light green and the brown spots. Thanks guys

No diary for this grow? The very first thing I would check is the pH... if this is out of range (6.0-6.5), that will prevent the plant from using whatever nutrients you're giving her that she needs like calcium and magnesium which are present in most every nute line... and if it's out of range, you could dump a whole bottle of calmag in her pot and it still wouldn't help... so check the pH. Secondly, I am not seeing a calcium or magnesium deficiency but most probably a potassium deficiency - pH here is again important. The other cause of a lockout could be too much nitrogen... If you've got a lockout, you'll need to flush your plants - 3x the pot volume of pH'd water through each. If the pH is good and nitrogen is not an issue, you should be 1) giving her bloom nutes and 2) if you're doing that, you should be adding a PK booster - the buds need lots of good P and K to fatten up. Since you don't have a diary, you'll need to be your own investigator here.... but hopefully these observations will help. Good luck!

Be patient my man. Most sativa dominant plants will look like this and pick up the bulk of its weight in the later stages of flower. It's just natural. I also use calmag every water at full strength... I use a specific brand for flower that doesn't have nitrogen so I can load it up pretty heavy in the last couple weeks. It's called Rooted Leaf CalMag Plus and it's a game changer.

a lot of that is genetic. Not everyting forms "donks." And there's nothing you can do to force the ones that don't to do it. while you do have some mild nute symptoms, it's nothing catastrophic and i've seen much warse produce big colas. i.e. genetics. Spots without interveinal chlorosis can definitely be calcium related. refer to a leaf chart and make sure to eliminate all possibilities. my pc took a shit, so i don't have my normal visual aids to help me. where did it start? how did it progress? can help rule things out. most of what we do is not value added.. most of what we do is merely not stepping on our own feet. There's lots of promises and nonsensical hypotheses tied to various products nd gimmicks, but in the end it is 95% light, co2 andn genetics. spending 300$ on tribus isn't going to change the outcome, for example.