>>654956I'm using this one:
http://www.amazon.de/TaoTronics-Pflanzenlampe-Zimmerpflanzen-Blumen-Gem%C3%BCse/dp/B00OZF129O(24W model)
Dedicated growing lights have their wavelengths optimised better to photosynthesis than broad-spectrum ones, but as I said earlier ITT, if you're from 'Murrica you only pay 1/6 our electricity price, so even a CFL (if strong enough) should work and not be too expensive
Pic related is what I currently have under the grow light, most significantly the fig seedlings have profited from it, lemon balm is rampant too