temp difference cause cracking glass

[vizonofdisorder]

hey i am about to set up my 40 gal breeder in my new room. My new room stays pretty cold, id say in the low 60's, i plan on keeping my tank temp around 76-78 or so. Should i worry about the different temps causing the glass to crack? Also there is no direct airflow from vents onto the tank, the one beside it is closed and blocked.

 

[V1xIII]

You'd need a pretty big and sudden temperature difference before anything like that would happen. The worst that you'd ever see is condensation, but that would only be in a room much hotter than the aquarium water.

 

[andyjs]

Yeah, no worries about the glass cracking. To do that, you'd have to do something like heat the tank to about 300 F and then instantly drop it in a pool of room temp water. It's not a really a difference (especially that slight) on the different sides of the glass, but an instantaneous change that causes problems