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Old 09-23-2018, 08:01 PM #1
dougwilson202
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Help. Brown spots on leafs.

Hello I've gotta problem with my plants. They are growing very slow and have brown spots and yellow leafs. I have Coco water pH between 5.5 and 6 adding calmag when watering but they are really poor looking.
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Old 09-23-2018, 08:19 PM #2
WHIPEDMEAT
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check the drainwater ec & ph.. did you check it before you put plants in that coco ?
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Old 09-23-2018, 08:29 PM #3
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It's tap water always adjust to be between 5.5 -6.
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Old 09-23-2018, 08:32 PM #4
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read once more what i wrote drainwater-- comes out from the pot after watering ....
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Old 09-23-2018, 10:02 PM #5
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Water from saucer is 6.2 pH but I don't have a EC meter.
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Old 09-23-2018, 10:12 PM #6
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coco causes this issue if it was untreated to fit the needs of a young plant. plus tapwater is not the best choice to use too... try to flush that medium with rainwater or r.o water with 0.3 mS ec and get an ec meter
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Old 09-23-2018, 11:35 PM #7
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I've also noticed little fly. Is that can be issue Fungus Gnat?
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Old 09-24-2018, 03:34 PM #8
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yes, some "bio" coco and mixes can be infected.... they should disinfect it or pasteurise it, but if they would do that it would kill the beneficial stuffs too.. it can be a trap
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Old 11-05-2018, 03:44 PM #9
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Problem solved. All problems I had were because... Poor ventilation systems and fans, after 2 weeks they are amazing now.
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Old 11-07-2018, 04:58 AM #10
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@OP You used your real name as your IC mag user name?
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