look

Hey guys having few problems hope you guy can give me Some tips.. They about 2months old, look ok, but I definitely think Something is missing.. 600w hps Canna coco with perlite Canna a and b Ph 5.8 runoff 6.0-6.2 Ec 0.8 Temps 18-24 tops Humidity 45-50% I do struggle with humidity...