Hi,
So set up is as below -
10 pot Iws in clay pebbles.
A&B at E.C 1.6/8.
2 weeks in veg, originally from seed and had slow growth due to PH problems.
PH is currently 6.2, fresh from tap is it around 7.5 so using PH down.
Plants are slow growing, lower leaves yellowing and top leaves...