Leaf edges curling. Canna coco A+B, Rhyzotonic, Cannazym, calmag normal feeding. 800ml twice a day in Coco/perilite 70/30. pH 5.8 and EC 1.7 in and pH 6 and 2-2.4 out (100-150ml in saucer). 5gal fabric pots. 2 plants look like this and the third is thriving.
Can anyone help?
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