Yes, it is inside the tank. This is a very basic fbf and there are schematics for external ones on line though. I was just fiddeling with some spare parts and decided to try something different to rid my .25 ammonia problem in that tank.iheartfishies said:You have it in the tank?...
I thought it was supposed to chill outside the tank.
That's where it's at, at work.
I mean, honestly I don't know the last thing about basic filtering and whatnot DIU style.
I'd love to learn more though.
Someone TEACH ME.
I'll pay good money....
or not.
Anyway it seems pretty nifty, whatever you have going there.