Why is the gravity flow with my Red Line Filter so slow?

There are four requirements needed to get the maximum gravity flow:

  1. All connections must be made correctly to prevent a blockage.
  2. Three feet of tubing on each side of the filter to create maximum head (pressure).
  3. The filter must be wetted and the air forced out.
  4. The receiving bag must have the air removed to create a vacuum.

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