where to get airline hose clamps?

[HelplessNewbie]

The standard airline tubing appears to be 3/16" outside diameter. I am paranoid about leaks, so was hoping to clamp my connections. Can someone instruct me on what kind to get and where to source them?

[Fish Folk]

I would not be too worried about that. You could buy a small zip tie and tighten airline. But that could cause problems later.

if your concern is about water siphoning out of a tank via disconnected airline, you can either use a check valve, or raise your airline so that they are all coming _down_ from _above_ your aquarium(s) to prevent water flow-back.

I highly recommend the ACO black airline. https://www.aquariumcoop.com/products/aquarium-co-op-black-airline-tubing

I've bought the 300 ft spool. Best stuff on the market -- at least in the US.

[Biotope Biologist]

Airline clamps can be purchased at most automotive stores. They look like so:

As @Fish Folk mentioned it’s not really necessary. A simple barbed hose fitting  is designed for this purpose

[Tommy Vercetti]

I cut a 1/4 inch long piece of the same airline tubing and stretch that a bit and use it as a hose clamp.

[HelplessNewbie]

Great ideas!!! Thank you