6. DIY NANO aquarium HIGH power LED light

After trying out all types of lighting, I finally decided to try out the growing popularity of LEDs. Thought they were really expensive so I never really looked into it, to my amaze they were really cheap and I was able to complete this lamp with less than 40$. The main problem with LEDs is that they heat up ALOT, but by using a simple L-shaped aluminium profile, some thermal paste and a 4$ computer fan, this problem ceased to exist. LED drivers are extremely useful as LEDs require constant current