Hi @BloodBath! Unfortunately there's no 'magic-trick', only a combination of knowledge, good equipment, good care and much love. As you may know, cannabis plants are just like us: they need sun+food+water+air. If only one of these parameters is not perfectly adjusted, yield will be affected. You currently need to identify what parameter is wrong in your setup, I personnaly ran through some similar issue in the past, when I was growing with only 1 COB light above my canopy. After a few runs I identified the lighting as being my main failing parameter. From what I can see on your pictures and what I can read on the informations you shared, there are some obvious reasons for slow growth / slow bud fattening. 1/ Your pH is almost neutral, whereas you need it a bit acidic, try to stick to a ~6.2 pH range, roots will manage nutrient intakes easily this way. 2/ Your light is not big enough for 2 plants, I can see some dark spots all around the plants, coverage is bad, plants don't get enough light. Consider buying a second lamp or changing your whole setup for an efficient one (QuantumBoards or LED strips are one of the best options nowadays). 3/ Your feeding schedule is very weird, what schedule are you following? The solution you give to your babies shouldn't be the result of randomness, you must stick to a tested-and-approved feeding schedule, try to start with the manufacturer's schedule and divide the recommended doses by 2. If plants look healthy, slowly increase the doses. 4/ Your containers are small for photoperiodic strains, after 6 weeks of veg they could have enjoyed bigger pots, at least ~11 L / 3 Gals. 5/ Plants did spend a lot of energy into vertical stretching, probably because of the poor light penetration and/or a high plant-to-lamp distance. That energy could have been used in bud fattening and resin production in a perfect environment.... I really hope this will help you to identify what's wrong in here, we'll be here to help again if needed, so keep us up-to-date and happy growing 👊
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