Navage sorta makes what you are describing.
It’s a neti pot of a device that has 2 tanks. One that will hold a saline solution and one for the ‘waste’ water.
You insert the nozzles into both nostrils and push the button and one pushes water into one nostril while the other has a light suction that pulls the water out the other and into the waste tank.
I’ve used one for a couple years and it legit works. Great for allergies and sinus issues. Just google it or look it up on Youtube.
Navage sorta makes what you are describing. It’s a neti pot of a device that has 2 tanks. One that will hold a saline solution and one for the ‘waste’ water.
You insert the nozzles into both nostrils and push the button and one pushes water into one nostril while the other has a light suction that pulls the water out the other and into the waste tank.
I’ve used one for a couple years and it legit works. Great for allergies and sinus issues. Just google it or look it up on Youtube.
Is there any benefit to collecting it in a second tank as opposed to just letting it drain into the sink?
With the Navage you can save it for later instead of letting it go down the drain!
The point is the suction; I’m not sure how they’d get decent suction just dumping the waste instead of having a closed second tank.