UK420hydrogrowstarted grow question 7y ago
Can anyone give me some advice what should the run off be ph and ec for week 9 of flower growing in coco coir need help plants severely sick
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Watersanswered grow question 7y ago
Your Ph should be between 5.5 and 6.5 and runoff should not exceed what you put in by more than 200ppm. If the leaves are yellowing it sounds like nitrogen is lacking due to the increasing swelling of the flowers.
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