Quote Originally Posted by hobogato View Post
if there is any way you can, i would suggest drilling the tank rather than going with an over the side overflow. if you must use the HOB overflow, you may want to invest in an aqualifter pump to make sure it doesnt lose siphon in a power outage. you can also connect an airline to the air intake of a powerhead and put it in the "j" tubes to make sure any air bubbles are sucked out.
Agree 100% I regret not drilling the tank now, but if I ever move it to another location in the house I will do it then.

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