Maybe harbinger is right. I give less and i get more, i love advanced nutrient stuff, in soil is very good, in coco hydro is superlative cause you add all the micro stuff in your medium that otherwise you will not have like kelp, aminoacid, vitamins, bacteria, fungi, there is all what u need and it’s very good, i don’t like only their calmag that is N4. But for the first 3week i feed with only rootit first feed 300us ec and biobizz calmag cause i’m using Ro