ATO on a rimmed tank

[dmolavi]

I want to set up an ATO on my nano, but it is rimmed, and I can't stand the sight of the waterline below the trim. I'm leaning towards the Tunze Osmolator, but was wondering if anyone else has them mounted on a rimmed tank, and if so, what the size of the magnetic "puck" that is used to mount them is, and how far below the top of the "puck" the waterline is.

 

[Terrance]

I use to have the Tunze on my rimmed tank. The puch was approximately 2.5inches, but I do not remember how far below the top of the puch the waterline is. I just know that I could never see the water line when looking straight at my tank.

 

[dmolavi]

How deep was the lip on your tank? Mine is just shy of an inch.

 

[Terrance]

I dont have the tank any longer. Cant remember. But I could not fit an AC 70 on the rim.

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