Mature plants start yellowing from the bottom going up HELP

These Critical Jacks are 3 months old and about a week ago the bottom leaves started to turn yellow and die. I tought it was nute burn at the begining but it has rained for several days this week and the remaining nutes in the ground should have been washed away. The yellowing is just going up. I also stopped giving them nutes 10 days ago. Anyone has any ideas what's wrong with them ??

Defecincy Bro there starving for a nutrient Google defency n compare leaf chart to ur plant Bro

to me looks like sulfer this should help but im no expert

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Its becoming def in N because there is no food left in the hole. Itop dress with osmocote and it kicks in when the food in hole runs out. Top dress some osmocote (prefer 3-4 month release) and about a 2 cups of blood and bone for a 'kick'.

thanks for the heads up guys. yo BUDS i'm from east europe and i don't know where to get any osmocote, but i can get some BioNova fert N 27% for a nice nitrogen boost. do you think that would work as well ?

Osmocote is a soil you can get at a graden center. But I am experiencing a similar problem its a defiency from high ph try lowering ur ph using a sulfur solution…