My leaves are having the same problems. my water ph 6.5 & i just add 2 gallons water mixed with: 5ml of floragro, 10ml florabloom, 1 drop of super vit, 10ml bud candy, and my leases are truning yellow and brown . also one my plants all of the leaves just hanging there like there no life in the. the stems flimsy the leaves on that one is not cruled up like the others. also the plants are 8 weeks old flowering for 4 weeks & and right now as i type, i can smell a Strong sent of peanut butter like smell come from the grow room ? this puzzles me and i need answers... heelpp me plz