To be honest for most fish, 80 is perfectly fine. If you really want it lowered, make sure you turn your heater down, and make sure the room temperature is 76 or lower too. Then turn on a fan so it'll blow right across the surface. This will cause a lot of evaporation but it'll cool pretty fast.
1 - 2 of 2 Posts
This is an older thread, you may not receive a response, and could
be reviving an old thread. Please consider creating a new thread.