Don't worry about the yellowing leaves, mine have already started on a few of my laughing Buddha half way through flowering, however not all of them have and they get the same feed. Your coming to the end, you want the plants to take in as much as it needs from itself by this point and then flush with pH water and your good to go, I normally pH to about 7.0 for flush but aim for anywhere between 6.5 - 7.2 😁 I'm giving my girls there last feed this week then watering plain water for 2 weeks
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