Ya I know thats just what I remembered off the top and it was correct for trees and such. That minute edit time is worthless.
So yeah 1/4 tsp per gal is correct
So I usually just watered a half gallon at a time.

So If I mix the nutes into a full gallon watering with only half won't be a problem letting the other have of the solution sit? Other wise I suppose than an 1/8th if thats 1/2 of a 1/4 would work out too.