m0useanswered grow question 3 years ago I think your plants need a bit of Food, they are also very close to that light?
are you certain it is pulling 128w? or is it a 128w equivalent? I feel they would have burned being that close to them but they look quite fine.
Could try raising your feed to .75ml/l vs .5ml/l then up to 1ml/l it will be eating more now that its in bloom.
Best of Luck!