i have a fertiliser 4-2-6 made from maze,rye and grass 30ml a l , and i have a fertiliser made from beets and potatoes with a 4-2-8 30ml a l, if i added 15ml of each, would i just have the meet in the middle 4-2-7?
how would i work it out i want to use them both but cant work out how to combine...