How does check valves work? The manual say that you will need a check valve if you place your air pump lower than the aquarium or reservoir. In this video we try to find out by simulating power outages to find out if non-return valves really are necessary?

Time Stamps:
00:00 - Intro
00:21 - Setup - The right way
00:41 - Setup - The wrong way
01:36 - Tank filled to the brim
02:21 - Air line coiled up
04:36 - Setup with check valve
05:00 - Test Summary

The products used in this video (Norwegian store):
Check valve: [ Ссылка ]
Air stone: [ Ссылка ]
Air pump: [ Ссылка ]

свернуть