hey guys i was looking around and researching on soil and saw that most of the ppl uses vermiculite and some uses perlite and some others uses them both together. now the question is what is best ? use them both at the same mix or use vermiculite or perlite. i know that vermiculite retain water and nutes and keep them for the plant and the plant can access them when needed while perlite do the opposite and drain water and add more oxygen to the soil. why should we add both if they are doing the opposite thing ? and if its ok to do so what is the best percentage to add in my soil formula up there.