So what is considered an optimal fill level on a vertically based Aquatube? Should the average level be above or below the top lip? I am trying to avoid bubble formation on the water surface near the Aquajet in this application.
Added:
Since no one replied I will tell you about my experiments:
Reducing the coolant below the ledge creates a lot of bubbles.
Increasing the coolant to just above the Aquajet results in no bubbles of consequence being formed.