fluorescents

Hi guys Yesterday iv found circular flurescent (osram) at local market, in sale for 1€ each. 40w 3800lumens each and i tought it was worth to get them even if dont know how the hell fluorescent tubes works. So, do they need a ballast or only the g10q socket If ballast is required, can i use one...

Question In a space that was 0.5 X 0.5 X 1 (height) meters With mylar and reflector One 150W agro CFL is enough? Should i buy a 250/300w? Im tryihg to have biggest yield possibile in the cheapest way. Gonna put in an autoflowering (maybe nl auto from rqs or the TD) in a 18 or 20 liters bucket...

Im my current micro grow i use two 24W T4 fluoro fixtures for side lighting: ATM the bulbs are 6400K but i also have the 4000K ones that came with the fixtures. I am reluctant to swap out the blue ones for these "daylight" ones as i know the CRI part of the spectrum is wrong for plants...

Hello everyone! Ive got an interesting one for you - tiny tent perfect for one small auto plus a cool light ive never seen a grow journal with before (perhaps for good reason, perhaps not lol). So here goes. The setup: Homebox Ambient Q30 30x30x60 tent Ecola 32W + 22W 2700K circular...