So glad to hear you've got it all figured-out. Good luck. ;)
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So glad to hear you've got it all figured-out. Good luck. ;)
I have this same exact problem. FFOF and runoff at 5.4. My two sensi star plants which are in 5 gal buckets in the 4th week of flower got flushed with about 20 gallons of 6.8ph water. Runoff PH didn't budge. AT ALL. Biggest/Oldest fan leaves are crunchy and orange and dying. I don't know what to do.
My White widow is now showing rust colored spots on it's big fan leaves. Sooo, flushed the crap out of it last night. Again, 20 gallons, but I used HIGH PH, 7.5~8. Runoff stayed at 5.8 the entire time. I even added in 6 Tablespoons of lime. No budge. I'm pulling my hair out.
My other two plants, a midnight kush and a power kush are on the same feeding schedule, with the same soil...no problems. Just the sensi and the widow so far.
Any suggestions?