8ft wondering is there any way to heat it quicker?

[mundy]

is there any good ways of getting a tank to heat up, mines a 8ft x 230cm 3foot high

 

[mfdrookie516]

If there's not fish, you can just add some hot water... but if there is fish, you don't want it to heat quickly

 

[mundy]

yeah i decided to not put hot water in at all so i didnt needa worry bout chlorine and adding more treatment, its got 900litres and thats not full i was scared itd fall through the floor, i have 4 heaters in there its picking up, i have fish in there now, ino dangeres but i brout 3 heaters then stole the one out of my 3ft:O eep