Isopropyl alcohol is often used in DNA extraction. It is added to a DNA solution in order to precipitate the DNA into a 'pellet' after centrifuging the DNA. This is possible because DNA is insoluble in isopropyl alcohol.
Four-lamp T5 light fixtures are great for mixed reef systems with soft and stony corals. Six-lamp or eight-lamp T5 fluorescent light fixtures are capable of sustaining higher light demanding SPS corals in reef aquariums with the proper reflectors using a combination of proper spectrum T5 aquarium light bulbs.5 Aquarium Light: Great for reef tanks and freshwater aquariums alike [Click here for more info.]. High output T5 aquarium light is a popular and versatile choice for illuminating your fish tank.
T5 lamps have a diameter equal to 5 times an eighth of an inch, or 5/8. These lamps are approximately 40% smaller than T8 lamps, which are one inch in diameter, and almost 60% smaller than T12 lamps, which are 1  in diameter. Figure 1 shows diagrams of lamp ends of T5, T8, and T12 lamps.