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.
How many fish can a 55 gal fish tank hold? Calculating how many fish is often decided by what is called the 1 inch per gallon rule i.e. you could have 55 fish of 1 inch long fully mature.However there are many variabl â¦ es inlcuding filtration, surface area of tank, the species you get and how messy that species is.1 liters is almost 19 gallons and the rule with tropical fish is one inch of fish per a gallon of water at there adult size so it would be different for every fish you got li â¦ ke if the fish adult size is 2 inches that you could have about 10 of that fish in your tank. 1 person found this useful.