Feed Log:
#1 D:52 - 5.5L - Si,[0],Vega[18ml],Ca/Mg,[2g & 1.5g],INPUT: [pH 6.1],[1.684 EC], OUTPUT: [1.892EC], pH [5.9] 2.1L ,Previous irrigation: D:46
#2 D:52 - 5.5L - Si,[0],Vega[18ml],Ca/Mg,[2g & 1.5g],INPUT: [pH 6.2],[1.654 EC], OUTPUT: [1.74EC], pH [5.9] 2.2L ,Previous irrigation: D:46
#3 D:40 - 2.5L - Si,[0],Vega[8ml],Ca/Mg,[1g & 0.8g],INPUT: [pH 6.3],[1.66 EC],
OUTPUT: [1.908EC], pH [5.9] 1L ,Previous irrigation: D:37
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Around day 50, the plants (1&2) began showing nutrient deficiencies: likely potassium and magnesium, due to the soil having lost its nutrient charge. Two days after their first feeding, they are already looking healthier.
Nr. 3 got lucky; and managed to stay rather unscathed :)