EC high (0.2ms/cm in, 0.6ms/cm out), pH runoff a little high (6.71 in, 7.18 out). Yellowing of leaves moving up plant, followed by yellowing between the veins on new growth. Help please!! Had issues with this one for a while so last fed 2 days ago with 1ml/l of Biobizz 
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What are these yellow tips on my leaves from? Have fed it water with organic nutes once to twice a week, the only time it was given pure water was a few days ago. I am using recommended doses. Could this be nute burn? 
All other plants look awesome, only they make minimal slack any tips? calmag will be given 
