I’ve been doing a fair amount of pruning, and the top seems fine.
It’s normal for a cannabis plant to shed its lower leaves as the plant matures. The one suggestion that I have is to provide your plant with more light.
one of the two are almost 1" from the lights - what I can do is increase the light output, which I’ll do.
The best LEDs for growing cannabis are manufactured with Samsung LM301 series diodes.
Horticulture Lighting Group, Spider Farmer, and Mars Hydro are all good options.
Funny that the exact model I have: https://www.amazon.com/dp/B08772CTK7?psc=1&ref=ppx_yo2ov_dt_b_product_details
Cannabis will struggle in flowering with a 100 watt light. I suggest reading this thread about lighting.
The “Start Using DLI” link was very informative and adjustments have been made - thank you.
Seems like you are on the right track. Happy growing.
Are you concerned about algae growth around your roots in a light penetrable aquarium