lower leaves yellowing in 3 days?

Looks low on N (paling tip-in and bottom-up is near 100% certainty) and maybe back the light off a bit due to node spacing. an inch or two and re-assesa in a couple days based on new growth. Don't go too wild with increasing N either. Small increments are best. Always easier to add more than to dial back. Once the concentration is high i the plant, there is no excretion system. It has to use it before it piles up and causes damage or inhibits other nutritional elements. never fall into the trap of falsely thinking that if you do everything the same that everything turns out the same. One, there are differences you cannot perceive and two, that's top-down inductive dreck. How the plant is behaving is your north star, not some preconceived notion. Is the plant having an issue? Then something is wrong regardless of treating each plant the same. Don't let that type of thinking prevent evolution of methods. A better formula will have more consistent results across numerous strains. This is a reason to re-think and adjust based on results so you do better in the future. Fertilizing should be easy and require little to no effort to do it well. that's your goal... find a formula that makes your life easy and doesn't require constant tweaks. Proof is in the pudding of how it grows. Good formulas don't cause problems and very few plants have esoteric nutrient needs. More often people just blame the plant for a bad formula. instead of evolving and improving it. It's a bit more difficult in soil. You are learning how to supplement it as its pre-charged nutrition is exhausted. New soil products will require a new supplementation schedule. Take notes. If you use the same products, should be a similar path to avoid any and all fast-progressing symptoms.