new pump suggestions

I’m currently looking for a stronger pump to put on my eshopps nano skimmer as it doesn’t pull enough air to use my co2 scrubber, but I’m confused on what kind of pump will work with it since it’s pumping air and not water. I’m guessing it needs to be a pump with a venturi? If someone could...

I have the eshopps nano skimmer with the stock pump (Sicce Micra) connected to a co2 scrubber, but the pump doesn’t pull in enough air to make the scrubber effective. Does anyone have suggestions on a stronger pump that will fit the ehsopps nano skimmer?

The pump that came with my used 24gal biocube (Marineland MJ1200 pump) failed. We tried to see what is wrong with them pump. I noticed that when plugged in it hums or vibrates for a second and then stops (like something is stuck in it). The motor housing also feels warm. I am currently...