yellowing leafs

1) PICTURE OF PLANT : bottom
2) Growing indoor
3) Watering schedule - when soil is dry
4) Growing Medium - mentioned above
5) What stage of growth - veg

its leafs from my mother plants, it started yellowing from the top and spread to the bottom untill whole plant get yellow, it isnt stunted, i tryed to add some extra magnesium and zink did not work. can anyone help? please ask if you need more info

bumpity bump

Is it on the bottom of the plant? What nutes are you giving it? It could be a nitrogen deficiency or nutrient lockup from over-feeding. Your leaf stems are red which also indicates a phosphorus deficiency. Do you have a pic of the whole plant?