I'm growing in Coco and I'm now starting my 6 week of veg. I've been keeping my e.c level on the lowish side. At the moment the feeding EC is 1.3-1.4 however my runoff EC is like .7 and .8 . My pH range between 5.7 and 6.0 . The plants looks well and no deficiencies could be seen. Are there any serious concerns about this low Ec run off.
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Runoff pH or the pH of the water/nutrient solution before giving to your plants?