Hi all its my first grow and im doing blue cheese from cuttings with hydro clay balls. Having real problems with the ph and ec levels. Could anyone please help me? I need to no what the ph and ec should be set at. Im 7 weeks in to veg and they are still quite small about 7" roughly but there is new growth. My system is a 50l reservour wilmma. im using 400w light to veg on a 18 -6. Could any tell me what the best ph level and what amount of feed to give.