A relatively cheap way to keep your aquarium cool

[paddyob]

Originally Posted by lastlight

They certainly aren't silent but they also aren't running all the time. Mine run for about 5 minutes every hour I'd guess? Haven't exactly paid too much attention since the noise isn't a huge deal to me. Having two kids may play a part in that!

I put my fan on the same timer as my lights so it is only on when my lights are on.... as in when most heat is generated.