7 week old plants in 3 gallon Fox farm ocean forest cut with extra perlite, worm castings and kelp meal. Fed weekly microbe teas. Plants suffered from high ph'd water until a week ago. Have all been flushed for ph and stable for 5 days. The tent did maintain a 60-70% RH and temps between 65-75f for several days due to issues. Normal tent RH/temp is 40-50% RH and 72-81f
Mild spotting began 2 weeks ago on the Critical jack and was initially perceived as a feed issue. Spotting dramatically increased on the Critical jack from base to top over the past week and has been seen on 2 other plants in the same tent this morning.
After doing some looking online I think this is leaf septoria and should be treated with foliar and topical neem oil, increase in ventilation and decrease in humidity. So far I have increased ventilation, temps and dropped RH. I have no idea at how to apply the neem oil for this application though.
Am I on the right track?
How do I use the neem?
Thank you all for your time.
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