growchaote Posted April 2, 2018 Share Posted April 2, 2018 Hi there. the irrigation water is ajusted to 5.9 when i measure up the water that is passing the coco (the sewage), the ph-value is between 6.5 and 6.8. the girls are growing well, and looking beautyful. but i could not anderstand, what is happening inside the coco, that the ph-value is climbing up so high. is it right or wrong ? wich ph-value consits real in the coco-substratum ? i dont now how to test that. thanks for answers Link to comment Share on other sites More sharing options...
ShaggyGrower Posted April 3, 2018 Share Posted April 3, 2018 Hi growchaote, Salt residues from plant waste will cause the media ph to rise, and thus the run-off. What coco are you using, as not all coco's are created equal. Link to comment Share on other sites More sharing options...
growchaote Posted April 3, 2018 Author Share Posted April 3, 2018 i use biobizz-coco and use advanced nutrients (2. bloom-week) with 1.2 EC. Link to comment Share on other sites More sharing options...
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