How much hydro nutrients per plant?

Cheers bro, I gonna read more into the details of it later on. I have put 100 liters fresh tap water into the reservoir (with an air pump and a water pump) like 2,5 weeks ago - at first without putting my seedlings into it A week or so later, when the roots came out of the bottom of the pots, I have put the plants into the reservoir and added some H2O2, PH down and the stated nutrients what Hesi (actually a bit less) recommends (per week) for 100 liters. Now, 1,5 weeks later, I didn't change the water nor add any nutrients (just the one and only time) as I don't believe those baby plants could have possibly eaten all nutrients So now I am/was wondering when the nutrients will be depleted to provide well for my plants and not waste those overpriced nutrients and well for me it seems as the provided nutrient schedule by Hesi is BS as it just depends on the amount of water and doesn't factor in number or size of plants. My plants have a bigger reservoir than in other systems which should make the water stay cleaner and fresher for longer, if I didn't get anything wrong there So is there no guide on how much nutrients a plant needs in hydro over a grow, I know there are different varieties and so on, but any kind of guardrail would help I guess I gonna wait a bit longer until the first signs of malnutrition show up or the plants start to go into blossom, change the water and give them a clean start. PS: Today I have added a filter to the water pump too :D PS2: It is my first grow of Cannabis and in Hydro, It's a bit chaotic and I'm probably nuts, but I do enjoy a bit of a challenge :D

Also I hope you didn't "make" your 100 liters for the whole veg phase.. You wanna Adjust nutrient levels.. Not just feed the exact same amount.. Adjustments allow for improvements. And having a bucket of water sit anywhere for long periods is bad.. Water is your medium so the Cleaner and fresher you keep it (weekly changes) the happier and healthier your plants can be. Some reading/food for thought. https://en.wikipedia.org/wiki/Photosynthesis https://en.wikipedia.org/wiki/Osmosis https://en.wikipedia.org/wiki/Transpiration https://en.wikipedia.org/wiki/Chloroplast

I have added 200ml of Hesi Hydro Growth, which can be considered to be primary nutrients, right? The other stuff is like supporting and protecting elements. Those 200ml fertilizer solution should somehow translate into plant size or weight by using water and the nutrients to grow the plant. But how much can be expected, any experiences with that? For example lets assume 200ml fertilizer solution carries 20g of pure nutrients. The plants are taking those nutrients together with water (and some environmental CO2) to grow. How much plant mass would you expect getting from 20g of nutrients?