Firstly, thanks for all the info in this thread. Nice and useful and all positive too.
I have a Q for you Hans users please.... I'm not yet set up, but will be going the LED/hydro' route when the day comes and probably a 4ft x 8ft area initially (10-12 plants hopefully). From what I can tell, these Hans panels look like an honest, decent quality product at an attractive price point (€360 for 2 x 65w panels landed is eye-catching). Would you recommend these as a good option for supplementary lighting, along side more powerful LED panels, perhaps to pump up the power in flowering (and fill in any small spaces outside core coverage of the larger lights), or would that not be sensible for some reason?
I like that design too. All sleek and shiny looking.