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).
Aquarium Water Temperature. For the vast majority of tropical fish, an aquarium water temperature of 76 to 78Âº Fahrenheit will be fine.Some species like cooler water and some prefer warmer water, but as a compromise, this range works well.quarium Water Temperature. For the vast majority of tropical fish, an aquarium water temperature of 76 to 78Âº Fahrenheit will be fine.