What's the diameter of the tube from the bottom drain to the ball valve?

The Tube is 10mm diameter.  Approx 0.4 inches. We selected this size for a few reasons:

  1. There is no risk of "plugging" because you are draining off clear wort
  2. Effectively, you use an even smaller opening (by keeping the drain valve mostly closed) to slow the Run-Off to take at least 45-60 mins
  3. We did use a standard 1/2" 3Pc Valve, so your common fittings can be used
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