Hi all. I just uploaded my latest blog. This one is on how to make a DIY LED light powerful enough for high-tech tanks at 1/10th the cost of commercial and with up to 3 times higher energy efficiency. You can build it in under an hour with a pair of scissors as the most advanced piece of equipment. Parts, pricing, suppliers, pictures, and step-by-step guide can be found at biodives.com/blog.Enjoy!