Definition. How the range is identified; made up of the cell in its upper-left corner and the cell in its lower-left corner, separated by a colon. Term.
As an average, a tropical fish tank should be kept at around 26-27 degrees Celsius (79-81 degrees Fahrenheit).This is NOT by any means set in stone though however this temperature range covers the most tropical fish at a comfortable temperature.s an average, a tropical fish tank should be kept at around 26-27 degrees Celsius (79-81 degrees Fahrenheit).
Water temperature. Fish are very sensitive to temperature changes as well. Tropical fish live in temperatures ranging from 75F to 82F hence the need for a good heater to keep the water warm. If kept in less than 5 gal tanks you cannot use heaters, they might heat up the water too fast and cook your fish. Instead, keep your jars in a warm room. Dont be cheap when it comes to heaters.