How much does it cost to convert a 75 freshwater tank to a salt water tank? how a bought the coat for a 20?

Question

i have a 75 gallon tank and a 20 gallon tank, and i just wanted to know how much it will cost to convert, mainly for the 75 gallon tank, and maintain?

Answer 1

the 75 depending on your filter would be about $100-300 and the 20 about $80-170