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.
Votes: 1,408. Lights are primarily for the benefit of plants and people looking at the aquarium. Fish do have circadian rhythms, so they are aware of the day and night cycle but have no particular preferences with regard to lighting unless it's too intense.ights in my tank not working .do tropical fish need light? the tank is near a window, will not having lights inside harm them?