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Don't get on here very often, but: That does not appear to be the same pump. You will notice that in the video, the pump used is a dual outlet pump (model MK-1504 it says on my pump) while the one you picture has a single outlet. I would guess the single outlet pump could be converted but...

The converted fish tank pump I have achieves 4.8"Hg max. I forgot to say in prior post that I have a fish tank airline "T" installed inline at the pump. Has a valve on it to regulate the airflow split. Just open the T a tiny bit if needed to reduce the vacuum by providing some bleed air to...

Cool use of technology. I went low tech and cheap by converting a fish tank air pump as described in a video I found on youtube: http://www.youtube.com/watch?v=N98ALG06u1U Its not powerful like the one you made so no safety mechanisms are really needed and its quiet as fish tank pumps tend to...