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SOIL Weird PH issue...

WeirdWiredWolf

New member
Really close to flowering one of my plants, I still need to solve airflow/heat issues in my tent. I've been using a root inoculator for about 2 weeks (OregonismXL) to fix a deficiency; that seems to have worked, but I'm seeing some strange PH swings. Water going in is at about 7, my runoff will be in range for about two waterings and then it dips to 4-5; when that happens I flush with PH 7 water which brings it back to normal for about a week. Fan leaves have some light spots which could be either a calmag deficiency (unlikely but possible) or bugs...

I'm not using the inoculator now because I thought that it could be causing this; the swing isn't as bad, but still there. Has anyone using this or another rootzone product seen anything like this, or do I have something else going on? (I have read about PH problems with FFOF)
 
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