Stealth aerogarden budget grow 70w total

Started a little lst started researching why my plants look unhealthy found these articles which helped bought the hobbyist bundle of advance neuts and they did help the plants look better root zone looking better and exploding the plants showed real restitance to stress took all the amateur shit i done and now looking better but due to me stressing them not really running to schedule all me to blame but the way they are coming back they be ok i only bought the hobby bundle due to overthinking me having small yield and where ever i read stating you need at least 150w light to get a oz and iv only got whats meant to be 50w in total so i thote atleast theyl get fed and they have had a bad start id daily check resoirvoir for ppm and ph and adjust by droping a drop straight into resorvoir to adjust ph level and mainly sticking to ph and flushing res using hydrogen peroxide and new neute mix my ph level only kept going up never down but the ppm feed level always was about right to that chart in photo