eBay hydroponics LED lights.

[atoll]

12w 6 LED's 4 red 2 blue. Looks like it would work.
http://www.ebay.co.uk/itm/321704023799?_trksid=p2060353.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT
http://i541.photobucket.com/albums/gg378/lesmelling/_57%201_zpsqegwtzqy.jpg
Then we have higher power versions.
http://www.ebay.co.uk/itm/251320043955?_trksid=p2060353.m1438.l2649&var=550271012725&ssPageName=STRK%3AMEBIDX%3AIT

Your thoughts please.

[SantaMonica]

Is a very nice one. I wish they had a 18 or 25 watt one.

[atoll]

Is a very nice one. I wish they had a 18 or 25 watt one.
Yeah there is quite a big jump from 12w to 40w the next size up in my link above.