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For the folks that use Oregon's only nutrient...
RyukyuFarmerstarted grow question 7y ago
For the folks that use Oregon's only nutrients, i know they say ph should be 6.4 for calcium to be best absorbed but does that still apply in coco substrates? I been slowly swinging my ph up and down over a few waterings to try to get the best range of absorption.
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Mrs_Larimaranswered grow question 7y ago
Hi , you are talking about a range. which range do you try to keep? Fot taking the nutes in coco the range is from 5.5 to6.5 ... i leave you a nice link to a helpful site:::::::https://www.growweedeasy.com/ph/#hydroponic-soilless-pH
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