Manual ATO - Bottle System

[RaymondL]

Looking for a cheap ATO for a nano setup for now, and thinking about setting up a bottle system that uses gravity. I don't find the look of having a bottle sitting upside down too appealing, but am wondering has anyone come across any better looking alternatives than below. Ie. Square acrylic perhaps?

 

[Timfish]

Maybe using longer tubing to set the bottle higher up out of sight?

 

[Nano sapiens]

Looking for a cheap ATO for a nano setup for now, and thinking about setting up a bottle system that uses gravity. I don't find the look of having a bottle sitting upside down too appealing, but am wondering has anyone come across any better looking alternatives than below. Ie. Square acrylic perhaps?

I've been using these Petco bottles for 14 years now without issue:

I simply added a black plastic shroud for aesthetics:

 

[slythy]

My diy ato

i think I have like $30 total in my ATO setup for my nano tank. This is if you dont want to do a gravity version.