I've just received my dry ferts. I'm using the nutrient calculator in the sticky on this site. The question I have is I got a 56 gallon aquarium dosing diy in a solution using EI. It says I should put 259 grams of KNO3 in the 500ml bottle. That would take up almost half of the dosing bottle. Is this too much? Or would that be correct? Or am I missing something?