Where to buy fatter tube (airline) for project

[happydanio123]

I'm not sure whether or not to post this in the DIY section or not but please bear with me if I get my decision wrong.....

Hi everyone! Anyone knows where to buy Flexible tubing (preferably about 1 centimeter) for my DIY project. I have created an auto-top-off system that uses a bottle of water placed above the aquarium and a airline attached at the bottom of the bottle allows water to drain out. Another hole is drilled at the cap and a airline is siliconed there. The cap airline is inserted just on top the water level so that the opening of the airline is just touching the water of the desired water level. However I have been experimenting around and I've realized that when the water level does go below the tubing opening, the water can't flow out to allow air in to release the water in the bottle. So, I'm looking for a bigger, fatter tubing so that there's enough room for the water to flow out. Any advice would be greatly appreciated.

Cheers!

Happydanio123

[tetrakid]

Why not just place the bottle opening into the water surface without any tubing attachment?

[BFG]

I concur, no need to spend money on purchasing the said hose and transport cost.

[tetrakid]

I concur, no need to spend money on purchasing the said hose and transport cost.

Abang best!

[happydanio123]

Hi there BFG and TetraKid. I know there are methods to suspend the bottle over the aquarium. But then the bottle is 2 litres and there's no space and support able to accommodate this bottle. Furthermore, this tank is a nano tank and I'm afraid of any spill. My fish are super curious so they love exploring. The last time I did something like th8 s but with a smaller bottle, they got stuck by swimming into it. :-O. Thanks anyways for the advice offered!

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