DrSmeebuzzard

The Browning looks like a nutrient deficiency, PH is too high for coco should be between 5.5 and 6.2 with 5.8 regarded as the sweet spot. The ec is also little high 1.8 to 2.2 from feed charts.looking back through the veg stage in sure by having such a high ec and PH, the plant has nutrient burn and locked out.