2nd grow getting bigger by the day 3 weeks in to flowering

2 bubblegum
1 cheese
1 white widdow
1 blueberry
growing in cocco fibre soil
600 watt sunmaster grolux lamp
ph is around 6.2 - 6.4
humidity is around 42
temp 75 f -85 f
hand watered every other day roughly 3 litres
using cocco bloom for feed
i want as much feedback as possible weather good or bad all comments welcome please let me know what you think of my babies

https://www.rollitup.org/members/widdow-sensation-albums-second-grow-picture76155-three-weeks-roughly.htmlhttps://www.rollitup.org/members/widdow-sensation-albums-second-grow-picture76139-three-weeks-roughly.htmlhttps://www.rollitup.org/members/widdow-sensation-albums-second-grow-picture76137-latest-photos-3-weeks-flower.html