check out www.biobizz.com for an organic setup,BIO-BIZZ ALL MIX is 20% sphagnum peat moss. 35% garden peat. 10% organic worm manure. 30% perlite and 5% pre-mix.theres a whole range of ferts specifically for there types of soil.BIO-GROW for veg,BIO-BLOOM and TOP-MAX for flowering.
£13 for 50 litre bag of ALL-MIX soil