Bring me Sunshine

try looking at these led lights ..they are being used in reef tanks and hydroponic systems over here
http://www.growitled.com/?gclid=CN72jdK8n6ACFQtx5QodIBI9cQ
they use a lot less power than metal halides/sodium
i havent tried them myself yet but they are showing up in all of the aquarium stores over here
andy

I spotted this Hydroponics business on a local Industrial Estate and wondered who their main clients were. http://jttradingwales.co.uk/