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).
Increase temperature to 30 C/86 F. With tropical fish, an increase in temperature to 30 C/86 F is usually very well-tolerated. Since this temperature prevents reproduction of Ich, it can theoretically cure the problem by itself.