Air Pump Syphoning When Off?

[fUbAr]

When i turn off my air pump the water gets syphoned back down the tube and into the pump. At the moment i'm curing this by disconnecting the tube, but surely there's a better way?

many thanks.

 

[demonmagus]

buy a check valve

also called a one way valve

 

[fUbAr]

available from LFS?

sounds perfect, im suprised i didnt see it when i was buying the pump.

 

[Kevstir]

this is what u need

http/cgi.ebay.co.uk/Tetra-Tec-CV4-Protec...1QQcmdZViewItem

 

[hoarp001]

Im suprised you didnt get one with the pump...

 

[fUbAr]

many thanks, just been and got one