Quote Originally Posted by eL.migz
...go with a soiless mix without NPK so that it is a fresh slate. i was thinking 1/3 peatmoss 1/3 vermiculite 1/3 perlite with some dolomite lime mixed in.
That mix is guaranteed to give you problems. Believe me I have tried it. Peat moss is like pH ~4.5. Have fun. Even with the lime, it isn't going to be easy to get it right.
You are better off using coco or something if you want to go soilless.
I had excellent results with a mix of composted cow manure, leaf humus (pH buffer, wOOt), and up to 40% perlite. No pH problems ever since I switched over.
stinkyattic Reviewed by stinkyattic on . Grow Medium and correct fert. strenght So this is going to be my first grow coming up. I have read a lot of books and watched a lot and most have told me to go with a soiless mix without NPK so that it is a fresh slate. i was thinking 1/3 peatmoss 1/3 vermiculite 1/3 perlite with some dolomite lime mixed in. now i know that bud likes more nitrogenous ferts, but people say that equal NPK works fine for veg. what im wondering is should i go with a 30-10-10, an 18-18-18 or a 12-12-12? if i go with one of the equal NPK's, should i Rating: 5