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it depends how much you dilute the mix you can do the calculation with hydrobuddy easy post your result here and i tell you if its right to me

absolutely

Thats a huge grow you linked keesje we could learn how to grow only reading this :)

are you talking about elemental ppm or N-P205-K20? i go with the red in the calculations because im more confortable with this npk ratio. the guy who use the mix yarabrown and calcinit, is it the same guy who have calcium uptake difficulties ?

Your post is a little confusing in the left part is it elemental ppms?

I checked the YARA nutrients, they have nice products, i worked on the composition of the YARA KRISTALON RED 12-12-36 12-12-36 expressed in N-P205-K20 equivalent to 12-5,2-30 in N-P-K i found that : 600 g potassium nitrate 110 g ammonium nitrate 220 g monopotassium phosphate 15 g potassium...

Yes absolutely thinking only nutrients is a nonsense. Also understanding your tap water, and include it in your calculations is important, but carbonates chemistry is complicated and thinking of RO water can be a good idea in many cases. It's interesting to understand carbonates because air and...

Hydrobuddy is nice, very nice, but it don't do everything i want, so i prefer to build my own sheets on excel or whatever. It helps me to better understand every step of calculations and a deeper understanding of whats happening.

it took me a little bit of time to understand your calculations, i never work with gallons ... i guess you include calcium nitrate, and dont use ammonium?

No i'm a nerd

I tried Hydrobuddy also it's very nice. You don't need to be a smart cooky to dig in this, just read some hydroponics informations non related to cannabis it's easyer to understand, ingredients are the same used by food industry.

Main issue are Sulphates and Phosphate precipitating Ca, some nutrient sellers (MaxiGro and MaxiBloom GHE are two exemples) have it all mix together in dry mixes. If you keep your dry mix dry, it should not react. And never prepare a concentrated liquid fertilizer with it. About changing form...

Hi jacks nutrients arent available in my place so i searched to copy the recipe and do it myself. I worked on the jacks tap water 15-5-20 Here s what i found : 354,5 grams potassium nitrate 123,3 grams calcium nitrate 159 grams magnésium nitrate 160 grams ammonium nitrate 219 grams...

Thank you for this document very interesting. You seem to interpret it as a nutrient guide . For me there is a lack of information to do so. I would like to know how you understand every parts of this document. The first part with green and red graphics , i dont know if they are analysis...