Quote Originally Posted by cray View Post
Foaming is caused by the Amonia building up in the water, air or recic water both going to do same thing in this heat. You really need to replace part of the water along with air or recirc. I run 2 air stones in mine along with a timer on fill pump to replenish water. Mine set on 7 minutes off and 1 on will still get some foam when temps get high. Then I go to 3 off 1 on and most of the time that takes care of it.
Yep....Thats what I do too