10 Gallon Tank Air pump hose sizing

newbietetra

Hi,

i have noticed an annoying problem, which is hose size between Metric and English.

Here in East Asia, i buy standard air hose, which is labled 4mm. i noticed some equipment i already have does not fit this hose well--it too tight. Like my air pump, and my corner filter. The nipple on these equipment seem to be designed for 3/16-inch hose. 3/16 inch equals 4.8 mm.

But i have other things like an air valve and a new box filter that has nipple that fit 4mm hose very well. A 3/16 hose here would probably be a bit loose.

Since i have to pull the air hose to replace the floss every few days, a super tight air hose is getting annoying. And thing is, i cannot find 3/16" hose here.
 

Flyfisha

Hi newbietetra
I have seen the issue with air line hose in Australia as well.
Perhaps you can us 4 mm irrigation fittings to make a removable joiner in the hose allowing you to service the filter a little easier?
 

Flyfisha

A snapshot of air line and irrigation fittings being used together.
62A0F128-E9B5-4312-94C2-60F805D25F4E.jpeg
 

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