Fruit Punch, Caramel, Sticky Beast, Pink Rozay #1

Welcome to week 7! Plants are not doing great i guess. Something is going on with their leafs. I give BioGrow once a week and BioBloom/TopMax almost with every watering. 50% of BB-Schema. I'm a victim of PH fluctuations. I always put in about 6.3-6.5 and run off is often 6.7 and higher. But i cant get it to lower. After 4 days it's up there again. It doenst matter if i put in 6.2 or 6.5 or whatever. Dont really know what to do about it. Maybe it's my "hard" tap water. IDK. I normally don't water with runoff. Caramel should be almost ready. Maybe 14 days more. 21 for Sticky Beast and Fruit Punch and 28 for Pink rozay.