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Cant seem to shake acidic coco/perlite

Professor_Chaosstarted grow question 4y ago

Can't seem to shake my acidic reused coco/perlite mix.. Ph going in is 6.2 - 6.3... Runoff is coming out 5.8 - 5.9.. Ive even ran 6.5 thru the mediun and still coming out at 5.8 - 5.9.. Should I try 7.0??? Help please!!!

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Leaves. Color - Yellow

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WeedIsMyLifestyleanswered grow question 4y ago

I think this is problem with coco buffer. Try to use more cal-mag and change your nutrient solution. Lower potassium, raise cal-mag. Problems with coco pH - always about wrong watering and wrong composition of the nutrient solution. p.s 5.8 pH its not bad for vegetation.

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Selected By The Grower

Hashyanswered grow question 4y ago

You are spot on. Coco range 5.5 to 6.5. You couldn't be any better. Your run off is smack bang in the sweat spot at 5.8 and 5.9

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