Hi there
I have 5 big buds which are about 6 weeks old and are about 3 inches tall if that. They seem to have stopped growing. I have another 5 that went in the week before which are about 5 times the size of them. The ppm is 640 and ph is 7.6. Would the ph be causing this stunted growth? Should I repot into better soil, feed more, flush the pots? Any suggestions would be greatly appreciated. Many thanks
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6 weeks old in vegetation stage right? Are you checking the pH of the nutrient mix going in or the runoff? A soil runoff pH greater than 7.0 could negatively impact growth. Next time you feed/water, add some pH down into your nutrient mix to try to get the soil runoff to be between 6.0-7.0. Many growers aim for 6.5 and even stay at that pH for the entire grow. Can you attach a picture of the plant?