havent u got a heater???going to buy new tank to set up for tropical fish using water treatment to declorise water how do i put warm water in tank ? ie do i heat some water in kettle and add some cold tap water ?
I think he means when doing water changes I think lolyou either take the fish out and wait for the heater to warm the water up, or you can mix warm tap water with cold measure the temp then put in to the tank![]()